taxonID	type	description	language	source
C336941E9C6255E3A0DA425B65F7A692.taxon	description	Figs 1, 2, 32 A-C	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
C336941E9C6255E3A0DA425B65F7A692.taxon	materials_examined	Other specimens examined. One ap. viv. fem., Tibet (Xigaze City), 17. VII. 2022, No. 51892 - 1 - 1, on Salix, coll. Y. Xu; one ap. viv. fem.; Tibet (Xigaze City), 26. VII. 2014, No. 32740 - 1 - 1, on Salix, coll. J. Chen and X. C. Zhu; one ap. viv. fem., Tibet, 23. VI. 2016, No. 37396 - 1 - 1, on Salix, coll. F. F. Niu; one ap. viv. fem. and one ala. viv. fem., Tibet (Linzhi City), 23. VI. 2014, No. 37394 - 1 - 1, on Salix, coll. F. F. Niu; one ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956122), Tibet (Xigaze City), 26. VII. 2014, No. 32744 - 1 - 1, on Salix, coll. J. Chen and X. C. Zhu; one ap. viv. fem., Tibet (Xigaze City), 16. VII. 2014, No. 32664 - 1 - 1, on Hordeum vulgare var. coeleste, coll. J. Chen, X. C. Zhu, X. H. Lou; two ap. viv. fems. (slides) and one ap. viv. fem. (COI: OP 956121), Tibet (Xigaze City), 26. VII. 2014, No. 32742 - 1 - 1, on Hordeum vulgare var. coeleste, coll. J. Chen, X. C. Zhu, X. H. Lou; one ap. viv. fem. and one ala. viv. fem., Tibet (Linzhi City), 23. VI. 2016, No. 37393 - 1 - 1, on Poaceae, coll. F. F. Niu; nine ap. viv. fems., Xinjiang, 11. VII. 1977, No. 6892, on Salix, coll. Y. H. Han (Zhang and Zhong 1985); two ap. viv. fems., Xinjiang, 11. VII. 1977, No. 6644, on Salix, coll. Y. H. Han (Zhang and Zhong 1985); two ap. viv. fems., Qinghai, 14. VI. 1997, No. 11430, on Salix, coll. X. L. Chen (Zhang et al. 1999); eighteen ap. viv. fems., Qinghai, 13. VI. 1997, No. 11417, on Salix, coll. X. L. Chen (Zhang et al. 1999).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
C336941E9C6255E3A0DA425B65F7A692.taxon	diagnosis	Diagnosis. Body dorsum is covered with wavy or irregular circular wrinkles; ABD TERG VIII with short conical supra-caudal process, blunt at apex (Fig. 1 G, I); siphunculus clavate, obliquely truncated at tip, without flange (Fig. 1 H) (Gillette and Bragg 1916; Zhang and Zhong 1985; Zhang et al. 1999).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
C336941E9C6255E3A0DA425B65F7A692.taxon	biology_ecology	Biology. Primary host plant: Salix; secondary host plant: Poaceae, Cyperaceae, or Juncaceae. The species feeds on upper sides of leaves and tender tips of the primary host plant (Fig. 32 A, B). As to the secondary host plant, the species feeds on a water-grass Catabrosa aquatica (L.) growing on seeped land and usually was found in the water along the margins of ditches in USA (Gillette and Bragg 1916). In China, the species feeds on the upper surfaces of Hordeum vulgare var. coeleste L. (Fig. 32 C).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
C336941E9C6255E3A0DA425B65F7A692.taxon	distribution	Distribution. China (Qinghai, Tibet, Xinjiang), Afghanistan, Canada, Europe, India, Kazakhstan, Pakistan, USA.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
E704CE2646815EAEB49C5B0BA10135F1.taxon	diagnosis	Diagnosis. Frons convex. ABD TERG VIII with short conical supra-caudal process; siphunculus clavate, obliquely truncated at tip, without flange, the pore short than the distal width; cauda long conical, with seven or eight setae.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
7D26D5234E86548AA5B967EAB4A84730.taxon	diagnosis	Diagnosis. ABD TERG VIII with distinct supra-caudal process, elongate conical, conical, or triangular, as long as or longer than Ant. II. Siphunculus mostly clavate, swollen distally, sometimes long cylindrical not swollen, with distinct flange and imbrications. Cauda conical mostly with 4 - 6 setae, sometimes with 5 - 9 setae.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
62AC48A52E715B2DAB4ED087E3416990.taxon	description	Figs 27, 28, 37 A	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
62AC48A52E715B2DAB4ED087E3416990.taxon	materials_examined	Other specimens examined. three ap. viv. fems. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956123), Guizhou, 27. VII. 2014, No. 33648, on Apiaceae, coll. F. F. Niu and Y. Q. Li.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
62AC48A52E715B2DAB4ED087E3416990.taxon	diagnosis	Diagnosis. Body white, covered with wax in life (Fig. 37 A); thoracic nota and abdominal tergites I-IV each with one pair of circular marginal tubercles (Fig. 27 E, G, H); thoracic nota and abdominal tergites I-IV each with one or two pairs of pale brown marginal sclerites, tergites V and VI often with small brown spino-pleural sclerites, tergites VII and VIII each with a brown sclerotic band (Fig. 27 I); dorsal setae short and blunt; rostrum reaching abdominal tergite III, URS elongate wedge-shaped, with five or six secondary setae (Fig. 27 D); cauda tongue-shaped (Fig. 27 K), with 8 - 13 setae (Qiao et al. 2005).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
62AC48A52E715B2DAB4ED087E3416990.taxon	biology_ecology	Biology. The species feeds on undersides of leaves near the roots of Apiaceae (Cicuta virosa) and is with ant attendance (Fig. 37 A) (Qiao et al. 2005).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
62AC48A52E715B2DAB4ED087E3416990.taxon	distribution	Distribution. China (Guizhou, Shanxi).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
8873F948EA005B6E8CCE9B3512C61362.taxon	diagnosis	Diagnosis. The species of the subgenus mostly feed on Apiaceae and are covered with wax in life (Fig. 37). In collected specimens, abdominal tergites I-IV often have circular marginal tubercles; ABD TERG VIII with indistinct supra-caudal process, shorter than Ant. II; rostrum long, sometimes reaching abdominal tergite IV, URS elongated wedge-shaped; cauda tongue-shaped, with> 8 setae; SPHI long cylindrical, with distinct flange, not swollen.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
638ADECA34C25D78B0A29114E46B8977.taxon	description	Figs 29, 30, 31, 37 B-D	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
638ADECA34C25D78B0A29114E46B8977.taxon	materials_examined	Other specimens examined. Two ala. viv. fems., Beijing, 15. VIII. 2017, No. 42056 - 1 - 1, on Apiaceae, coll. H. Long; one ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956131), Jilin, 8. VIII. 2017, No. 41184 - 1 - 1, on Apiaceae, coll. H. Long and T. Y. Liu; one ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956141), Beijing, 24. VI. 2019, No. 45522 - 1 - 1, on Apiaceae, coll. H. Long; one ap. viv. fem. and one ala. viv. fem., Beijing, 15. VIII. 2017, No. 42057 - 1 - 1, on Apiaceae, coll. H. Long; one ap. viv. fem. (slide) and one ap. viv. fem. (COI: OP 956140), Beijing, 24. VI. 2019, No. 45517 - 1 - 1, on Apiaceae, coll. H. Long; one ap. viv. fem. (slide) and one ap. viv. fem. (COI: OP 956133), Beijing, 15. VIII. 2017, No. 42064 - 1 - 1, on Apiaceae, coll. H. Long; one ap. viv. fem. (slide) and one ap. viv. fem. (COI: OP 956139), Beijing, 15. VIII. 2017, No. 45505 - 1 - 1, on Apiaceae, coll. H. Long.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
638ADECA34C25D78B0A29114E46B8977.taxon	diagnosis	Diagnosis. Pronotum and abdominal tergites I-IV each with large and circular marginal tubercles, larger than spiracles (Fig. 29 D, F); setae of legs very long, pointed, dense, and curved apexes (Fig. 29 G, H), the setae on femora 0.57 - 0.78 x of widest width, the setae on tibiae 0.97 - 1.39 x of mid-width; cauda tongue-shaped, with 9 - 16 long and pointed setae (Fig. 29 M) (Takahashi 1961).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
638ADECA34C25D78B0A29114E46B8977.taxon	biology_ecology	Biology. The species is usually collected from Apiaceae and feeds on the undersides of leaves with ant attendance (Fig. 37 B-D). In China, the apterous oviparous female of the species was found feeding on the leaves of Salix in October. So, the species may alternate host between Salix and Apiaceae.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
638ADECA34C25D78B0A29114E46B8977.taxon	distribution	Distribution. China (Beijing, Gansu, Jilin), Japan.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
F51C3CDB51225CC99E66B675C1C9D56D.taxon	description	Figs 3, 4, 32 D	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
F51C3CDB51225CC99E66B675C1C9D56D.taxon	materials_examined	Specimens examined. Six ap. viv. fems. and four ala. viv. fems., China: Yunnan, 25. V. 1980, No. 7157, on Foeniculum vulgare, coll. T. S. Zhong and L. Y. Wang (Zhang and Zhong 1984); one ap. viv. fem., Gansu (Zhangxian County), 24. VII. 1986, No. 8501 - 3 - 4, on Salix, coll. G. X. Zhang, T. S. Zhong and J. H. Li (Zhang et al. 1999); one ap. viv. fem. (slide) and one ap. viv. fem. (COI: OP 956128), Tibet (Lasa City), 23. VIII. 2017, No. 40940 - 1 - 1, on Salix, coll. X. Y. Luo; two ap. viv. fems. (slides) and one apterous female (COI: OP 956143), Yunnan (Lijiang City), 26. V. 2021, No. 50266 - 1 - 1, on Salix, coll. T. Y. Liu and S. Xu; two ap. viv. fems. (slides) and one apterous female (COI: OP 956151), Tibet (Xigaze City), 16. VII. 2021, No. 51884 - 1 - 1, on Salix, coll. Y. Xu; three ala. viv. fems. and one ap. viv. fem., Qinghai (Xining City), 5. VI. 1997, No. 11333, on Salix, coll. X. L. Chen; one ala. viv. fem. and one ap. viv. fem., Sichuan, 24. VIII. 2013, No. 30092 - 1 - 1, on unknown host plant, coll. R. Chen.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
F51C3CDB51225CC99E66B675C1C9D56D.taxon	diagnosis	Diagnosis. URS shorter than HT II and without accessory setae (Fig. 3 E, F); PT 0.85 - 1.14 x Ant. VIb, mostly longer than Ant. VIb (Fig. 3 C); supra-caudal process longer than 1 / 2 of cauda but rarely extending beyond tip of cauda (Fig. 3 I) (Zhang and Zhong 1984; Zhang et al. 1999).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
F51C3CDB51225CC99E66B675C1C9D56D.taxon	biology_ecology	Biology. Primary host plant: Salix; secondary host plant: Apiaceae. The species feeds on leaves and tender tips of Salix (Fig. 32 D). The species is a major pest of cultivated Apiaceae, and it feeds on leaves and umbels of many genera in Apiaceae (Blackman and Eastop 2022).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
F51C3CDB51225CC99E66B675C1C9D56D.taxon	distribution	Distribution. China (Heilongjiang, Gansu, Qinghai, Sichuan, Taiwan, Tibet, Xinjiang, Yunnan, Zhejiang) (Zhang et al 1992; Jiang et al 2011), Canada, Europe, USA.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
28C97E3D32735F25B642FE1C045B3326.taxon	description	Figs 5, 32 E	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
28C97E3D32735F25B642FE1C045B3326.taxon	materials_examined	Specimens examined. Two ap. viv. fems. (slides) and one ap. viv. fem. (COI: OP 956148), China: Sichuan (Ganzi City), 15. VI. 2021, No. 51435 - 1 - 1, on Salix, coll. T. Y. Liu and S. Xu; one ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956145), Sichuan (Ganzi City), 12. VI. 2021, No. 50575 - 1 - 1, on Salix, coll. T. Y. Liu and S. Xu; two ap. viv. fems. and two ala. viv. fems. (slides), one ap. viv. fem. (COI: OP 956146), Sichuan (Ganzi City), 12. VI. 2021, No. 50588 - 1 - 1, on Salix, coll. T. Y. Liu and S. Xu; one ap. viv. fem., Hebei, 6. V. 2021, No. 49999 - 2 - 1, on Salix, coll. G. X. Qiao.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
28C97E3D32735F25B642FE1C045B3326.taxon	diagnosis	Diagnosis. Antennae 5 - segmented (Fig. 5 C), PT 1.95 - 2.39 x Ant. Vb; URS long wedge-shaped (Fig. 5 D), 1.15 - 1.36 x HT II; ABD TERG VIII with short rectangular supra-caudal process (Fig. 5 G); SIPH cylindrical not swollen (Fig. 5 H); cauda short tongue-shaped (Fig. 5 I), with four or five setae (Matsumura 1918; Miyazaki 1971; Zhang and Zhong 1990).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
28C97E3D32735F25B642FE1C045B3326.taxon	biology_ecology	Biology. The species feeds on tender tips of Apiaceae (Angelica, Heracleum, Pastinaca, Sium) (Miyazaki 1971; Blackman and Eastop 2022). In China, the species feeds on Salix (Fig. 32 E), Heracleum, and Angelica. Hence, the species may be heteroecious holocyclic; Salix is the primary host plant and Apiaceae is the secondary host plant.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
28C97E3D32735F25B642FE1C045B3326.taxon	distribution	Distribution. China (Hebei, Sichuan), Japan, Kazakhstan, Korea, Russia.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
5AECEA9045605CF7B1A348A63CD28E49.taxon	description	Figs 6, 7, 32 F	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
5AECEA9045605CF7B1A348A63CD28E49.taxon	materials_examined	Specimens examined. Two ap. viv. fems., China: Guizhou (Xishui County), 30. V. 2000, No. 12518 - 1 - 1, on Aralia, coll. G. X. Qiao; two ap. viv. fems., Sichuan (Chengdu City), 21. VIII. 2018, No. 43979 - 1 - 1, on Aralia, coll. Y. Xu and J. F. Ji; one ap. viv. fem., Guizhou (Fanjing Mountain), 1. VIII. 2014, No. 33707 - 1 - 1, on Aralia, coll. Y. Q. Li and F. F. Niu; five ap. viv. fems. and three ala. viv. fems., Hainan (Linshui County), 7. IV. 2015, No. 32504 - 1 - 1, No. 32505 - 1 - 1, No. 32507 - 1 - 1, No. 32503 - 1 - 1, on Aralia, coll. R. Chen; two ap. viv. fems., Yunnan (Jinping County), 17. IV. 2018, No. 42356 - 1 - 1, on Aralia, coll. Y. Xu; three ap. viv. fems., Hunan (Ningyuan County), 27. V. 2017, No. 39559 - 1 - 1, No. 39557 - 1 - 1, on Aralia, coll. C. C. Du and K. Hao; one ap. viv. fem., Guangdong (Shaoguan City), 7. VI. 2017, No. 39667 - 1 - 1, on Aralia, coll. C. C. Du and K. Hao; two ap. viv. fems. (slides) and one ap. viv. fem. (COI: OP 956137), Hubei (Yien County), 30. IV. 2019, No. 45335 - 1 - 1, on Aralia, coll. X. L. Zhang; one ap. viv. fems., Sichuan (Leshan City), 7. VI. 2014, No. 31318 - 1 - 1, on Salix, coll. Y. Wang and X. J Tang.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
5AECEA9045605CF7B1A348A63CD28E49.taxon	diagnosis	Diagnosis. Supra-caudal long conical, pointed apex, much longer than cauda (Fig. 6 G, I); antennae 5 - segmented (Fig. 6 C), PT 1.59 x Ant. Vb; URS wedge-shaped (Fig. 6 D), 1.40 x HT II (Takahashi 1921; Jiang et al. 2011).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
5AECEA9045605CF7B1A348A63CD28E49.taxon	biology_ecology	Biology. The species mostly feeds on stems and shoots of Araliaceae (Fig. 32 F) (Aralia, Schleffera, Tetrapanax), and be found also feeding on Salix (Blackman and Eastop 2022). The species may migrate between Salix and Araliaceae.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
5AECEA9045605CF7B1A348A63CD28E49.taxon	distribution	Distribution. China (Guangdong, Guizhou, Hainan, Henan, Hunan, Jiangsu, Jilin, Liaoning, Sichuan, Taiwan, Yunnan, Zhejiang) (Jiang et al. 2011), Japan, Korea, Russia.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
45CE2AA1D09A50F995C7B39013DC2F88.taxon	description	Figs 8, 9, 32 G	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
45CE2AA1D09A50F995C7B39013DC2F88.taxon	materials_examined	Specimens examined. One ala. viv. fem., China: Tibet (Nyalam County), 9. VIII. 2010, No. 25818 - 1 - 1, on Apiaceae, coll. Y. Wang; one ala. viv. fem. and two ap. viv. fems., Tibet (Nyingchi City), 3. VIII. 2010, No. 25756 - 1 - 1, on Apiaceae, coll. G. X. Qiao; one ap. viv. fem. (slide) and one ap. viv. fem. (COI: OP 956120), Tibet (Nyalam County), 22. VII. 2014, No. 32711 - 1 - 1, on Salix, coll. J. Chen and X. C. Zhu; one ap. viv. fem., Tibet (Shannan City), 9. VI. 2016, No. 37289 - 1 - 1, on Salix, coll. F. F. Niu; one ap. viv. fem., Tibet (Jilong County), 24. VII. 2014, No. 32732 - 1 - 1, on Salix, coll. J. Chen and X. C. Zhu; two ap. viv. fems. (slides) and one ap. viv. fem. (COI: OP 956152), Tibet (Bailang County), 17. VII. 2021, No. 51895 - 1 - 1, on Salix, coll. Y. Xu; two ap. viv. fems., Tibet (Pulan County), 31. VII. 2021, No. 52077 - 1 - 1, on Salix, coll. Y. Xu; two ap. viv. fems., Tibet (Jilong County), 31. VII. 2021, No. 52011 - 1 - 1, on Apiaceae, coll. Y. Xu.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
45CE2AA1D09A50F995C7B39013DC2F88.taxon	diagnosis	Diagnosis. PT 1.31 - 1.72 x Ant. VIb; URS 0.11 - 0.15 mm, long wedge-shaped (Fig. 8 D), 1.75 - 2.68 x BW URS, 0.91 - 1.17 x HT II; ABD TERG VIII with conical supra-caudal (Fig. 8 H), 0.65 - 1.14 x cauda; siphunculus 2.00 - 2.58 x of cauda (Chakrabarti and Das 2009).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
45CE2AA1D09A50F995C7B39013DC2F88.taxon	biology_ecology	Biology. The species was found feeding on Salix (Fig. 32 G) and Apiaceae in China, and it also been described feeding on Salix in Bhutan (Chakrabarti and Das 2009). So, the species may migrate between the two plants.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
45CE2AA1D09A50F995C7B39013DC2F88.taxon	distribution	Distribution. China (Tibet), Bhutan.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
E5BDA521D9F3596298B9FE75827E9768.taxon	diagnosis	Diagnosis. Body dorsum with various ornaments: wrinkles, irregularly circular or semicircular sculptures, small papillate tubercles. Frons convex. Antennae shorter than body length, without secondary rhinaria in apterae; in alatae, Ant. III with circular secondary rhinaria distributed over the whole segment, sometimes the secondary rhinaria protruded, Ant. IV and V usually with circular secondary rhinaria. ABD TERG VIII with a spinal supra-caudal process varying from a very long conical process to an indistinct swelling and possessing two setae distally; in alatae, the supra-caudal process is reduced and wart-like. Siphunculus clavate, swollen distally, sometimes elongated cylinder and not swollen, with imbrications. Cauda elongate conical, conical, or tongue-shaped.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
E5BDA521D9F3596298B9FE75827E9768.taxon	biology_ecology	Biology. Most species of the genus characteristically alternate hosts, Salix species being the primary host, and plant species of diverse families, frequently Apiaceae the secondary host. Aphids colonize the aerial parts of plants, mainly tender ones.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
4651BE6F291151569126A5D1054BA3FB.taxon	description	Figs 10, 11, 32 H	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
4651BE6F291151569126A5D1054BA3FB.taxon	materials_examined	Other specimens examined. Five ap. viv. fems. (slides) and one ap. viv. fem. (COI: OP 956147), Sichuan (Ganzi City), 15. VI. 2021, No. 51429, on Salix, coll. T. Y. Liu and S. Xu; six ap. viv. fems., Qinghai (Huangyuan County), 9. VI. 1997, No. 11400, on Salix, coll. X. L. Chen.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
4651BE6F291151569126A5D1054BA3FB.taxon	diagnosis	Diagnosis. Body dorsum covered with densely papillate tubercles (Figs 10 F, 11 F, H); antennae 5 - segmented (Figs 10 B, 11 B), PT short, 0.36 - 0.40 x Ant. Vb; dorsal setae of body long, thick, and capitate (Figs 10 E, 11 G); ABD TERG VIII produced caudad into triangular spinal supra-caudal process (Figs 10 H, 11 J); cauda pentagonal, constricted at base and distal part (Figs 10 I, 11 K) (Zhang et al. 1999).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
4651BE6F291151569126A5D1054BA3FB.taxon	description	Re-description. Apterous viviparous females: body oval, pale yellowish in life (Fig. 32 H). Mounted specimens. Body pale, unsclerotized; Ant. V, distal part of rostrum, HT II brown, other parts pale in color. Body dorsum covered with densely papillate tubercles (Fig. 11 A). See Table 2 for general measurements. Head. Ocular tubercles indistinct. Dorsum of head covered with semicircular and wavy sculptures on median area, marginal area with papillate tubercles (Figs 10 A, 11 C). Frons convex (Figs 10 A, 11 C). Dorsal setae of head long, thick, and capitate, with distinct setal tubercles. Head with one pair of cephalic setae, one or two pairs of dorsal setae between antennae, two pairs of dorsal setae between compound eyes arranged transversely. Antennae 5 - segmented, Ant. I and II slightly imbricated at inner side, Ant. III-V with slight imbrications (Figs 10 B, 11 B). Antennal setae long, thick, and blunt or capitate on Ant. I and II, 0.02 - 0.05 mm, short and blunt on Ant. III-V. Ant. I-V each with 3 or 4, 2 or 3, 2 or 3, 1 or 2, 2 or 3 + 0 setae; apex of PT with two or three setae. Primary rhinaria ciliated. Rostrum reaching mid-coxae; URS wedge-shaped (Figs 10 C, 11 E), with two pairs of primary setae, without accessory setae. Thorax. Thoracic nota with circular and semicircular sculptures on spino-pleural areas, marginal areas with papillate tubercles. Mesosternal furca separated (Figs 10 D, 11 D). Dorsal setae of thorax long, thick and capitate; pronotum with two pairs of spinal setae, arranged anteriorly and posteriorly, one pair of pleural and one pair of marginal setae; mesonotum with 5 - 7 spino-pleural setae and two pairs of marginal setae; metanotum with 2 - 4 spino-pleural setae and two pairs of marginal setae. Legs short. Femora thick and short. Outsides of femora and tibiae imbricated. Setae on legs long, thick and capitate. First tarsal chaetotaxy: 3, 2, 2. Second tarsal segments with imbrications. Abdomen. Abdominal tergites with circular and semicircular sculptures on spino-pleural areas, marginal areas with papillate tubercles (Figs 10 F, 11 F, H). ABD TERG VIII produced caudad into triangular spinal supra-caudal process and covered with papillate tubercles, constricted and blunt at distal part, exceeding to the end of cauda (Figs 10 H, 11 J). Dorsal setae of abdomen long, thick, and capitate (Figs 10 E, 11 J); abdominal tergites I-V each with two or three pairs of spino-pleural setae and one or two pairs of marginal setae, tergite VI with one pair of spinal and one pair of marginal setae, tergite VII with one pair of spinal, pleural and marginal setae, respectively; tergite VIII with two setae at apex and 2 - 4 marginal setae of supra-caudal process. Spiracles reniform and open. SIPH long clavate, basal 1 / 2 cylindrical and then gradually swollen towards apical part but constricted at apex (Figs 10 G, 11 I); basal part smooth, distal part with imbrications, with flange. Cauda pentagonal (Figs 10 I, 11 K), constricted at base and distal part, with spinulose imbrications and 2 - 5 setae. Anal plate semicircular, spinulose, with 8 - 12 setae. Genital plate transversely oval, with sparse spinules in transverse rows, with two anterior setae and six or seven setae along the posterior margin.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
4651BE6F291151569126A5D1054BA3FB.taxon	biology_ecology	Biology. The species feeds on young leaves of Salix (Fig. 32 H).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
4651BE6F291151569126A5D1054BA3FB.taxon	distribution	Distribution. China (Ningxia, Sichuan, Qinghai).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
620C315DC5B259D7A3E7EB78ADAE27A1.taxon	description	Figs 12, 33 A-C	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
620C315DC5B259D7A3E7EB78ADAE27A1.taxon	materials_examined	Specimens examined. One ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956124), China: Hubei (Yien County), 30. IV. 2016, No. 36809 - 1 - 1, on Apiaceae, coll. X. C. Zhu; one ap. viv. fem. and one ala. viv. fem., Hubei (Xingdou Mountain), 4. V. 2019, No. 45380 - 1 - 1, on Apiaceae, coll. X. L. Zhang; three ap. viv. fems., Hubei (Xingdou Mountain), 3. V. 2019, No. 45369 - 1 - 1, on Apiaceae, coll. X. L. Zhang; one ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956119), Sichuan (Dujiangyan), 11. IV. 2014, No. 31362 - 1 - 1, on Apiaceae, coll. Y. Wang and X. J. Tang; two ap. viv. fems., Hubei (Xingdou Mountain), 3. V. 2019, No. 45370 - 1 - 1, on Apiaceae, coll. X. L. Zhang; two ap. viv. fems. (slides) and one ap. viv. fem. (COI: OP 956136), Sichuan (Chengdu City), 24. VIII. 2018, No. 44015 - 1 - 1, on Apiaceae, coll. Y. Xu and J. F. Ji; two ap. viv. fems. (slides) and one ap. viv. fem. (COI: OP 956135), Sichuan (Chengdu City), 11. VIII. 2018, No. 43839 - 1 - 1, on Apiaceae, coll. Y. Xu and J. F. Ji.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
620C315DC5B259D7A3E7EB78ADAE27A1.taxon	diagnosis	Diagnosis. In life, body white, distal part of tibiae and tarsi black, other parts pale, body dorsum sometimes slightly sclerotized (Fig. 33 A, B); nymphs white, unsclerotized (Fig. 33 C). In mounted specimens, body dorsum covered with oval sculptures and papillate tubercles, sometimes sclerotized and pale brown in color (Fig. 12 A); PT 1.41 - 1.64 x Ant. VIb; SIPH cylindrical, tapering, constricted distally, slightly curved outward at the end (Fig. 12 K), 0.14 - 0.18 x body length; ABD TERG VIII with short conical supra-caudal (Fig. 12 M); Ant. III-V each with 31 - 38, 4 or 5, 0 or 1 circular secondary rhinaria in alatae (Fig. 12 P) (Essig and Kuwana 1918).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
620C315DC5B259D7A3E7EB78ADAE27A1.taxon	biology_ecology	Biology. Primary host plant: Salix, and the aphids feed on young stems (Fig. 33 A). Secondary host plant: Apiaceae, and the aphids feed on upper sides of leaves and with ant-attendance (Fig. 33 B, C).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
620C315DC5B259D7A3E7EB78ADAE27A1.taxon	distribution	Distribution. China (Hubei, Sichuan, Taiwan (Tao 1964 )), Japan.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
2271F06FE5DA524A8BCAC6F5D895513F.taxon	description	Figs 13, 14, 33 D	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
2271F06FE5DA524A8BCAC6F5D895513F.taxon	materials_examined	Specimens examined. One ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956129), China: Jilin, 4. VIII. 2017, No. 41101 - 1 - 1, on Salix, coll. H. Long and T. Y. Liu; one ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956132), Jilin, 8. VIII. 2017, No. 41195 - 1 - 1, on Salix, coll. H. Long and T. Y. Liu.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
2271F06FE5DA524A8BCAC6F5D895513F.taxon	diagnosis	Diagnosis. PT 1.67 - 1.80 x Ant. VIb; URS 1.02 - 1.08 x HT II; SIPH long clavate (Fig. 13 H), 0.21 - 0.22 x body length; ABD TERG VIII with short conical supra-caudal (Fig. 13 J), 0.04 - 0.07 mm, as long as basal width; Ant. III and IV each with 28 - 32, 3 circular secondary rhinaria in alatae (Fig. 14 B) (Takahashi 1939).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
2271F06FE5DA524A8BCAC6F5D895513F.taxon	biology_ecology	Biology. The species was found feeding on the undersides of leaves of Salix (Fig. 33 D) in China, and it migrate between Salix and Apiaceae (Blackman and Eastop 2022).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
2271F06FE5DA524A8BCAC6F5D895513F.taxon	distribution	Distribution. China (Jilin), Canada, Denmark, Finland, Germany, Japan, Mongolia, Norway, Poland, Russia, Sweden, UK, USA.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD773B4CEAFE5280B087FB22163911DE.taxon	description	Figs 15, 16, 17	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD773B4CEAFE5280B087FB22163911DE.taxon	materials_examined	Specimens examined. Syntypes. Three ap. viv. fems. and three ala. viv. fems., China: Tibet, 3. IX. 1975, No. 6162 - 1 - 2, on Medicago, coll. Z. Q. Wang (Zhang and Zhong 1981).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD773B4CEAFE5280B087FB22163911DE.taxon	diagnosis	Diagnosis. PT 1.08 - 1.59 x Ant. VIb; URS wedge-shaped (Figs 15 C, 16 D), 1.63 - 1.87 x the base wide, 0.93 - 1.07 x HT II; SIPH clavate, distal part distinctly swollen (Figs 15 F, 16 F), the length 0.18 - 0.19 x body length, the swollen wide 1.82 - 1.91 x distal width; cauda broadly tongue-shaped (Figs 15 H, 16 H), 1.24 - 1.38 x basal width (Zhang and Zhong 1981).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD773B4CEAFE5280B087FB22163911DE.taxon	description	Re-description. Apterous viviparous females: body oval, green in life. Mounted specimens. Body pale, unsclerotized; Ant. V and VI, distal part of rostrum, HT II, SIPH, cauda and anal plate pale brown, other parts pale in color (Fig. 16 A). See Table 2 for general measurements. Head. Dorsum of head covered with wrinkles, distinctly at marginal areas. Frons convex with undeveloped antennal tubercles, slightly lower than median frontal tubercles (Figs 15 A, 16 B). Dorsal setae of head short and blunt. Head with one pair of cephalic setae, one pair of setae at apex of antennal tubercles, two pairs of dorsal setae between antennae, two pairs of dorsal setae between compound eyes arranged transversely. Antennae 6 - segmented, Ant. I-III smooth, Ant. IV-VI with slight imbrications (Figs 15 B, 16 C). Antennal setae short and blunt. Ant. I-VI each with 3, 3 or 4, 3 - 5, 1 or 2, 2 or 3, 2 - 4 + 1 or 2 setae; apex of PT with two or three setae. Primary rhinaria unciliated. Rostrum reaching mid-coxae; URS wedge-shaped (Figs 15 C, 16 D), with three pairs of primary setae, none or one pair of accessory setae. Thorax. Thoracic nota with oval and semicircular sculptures, distinctly at marginal areas. Dorsal setae of thorax short and blunt; pronotum with two pairs of spinal setae, arranged anteriorly and posteriorly, one pair of pleural and one pair of marginal setae. Legs short. Distal part of femora and tibiae slightly imbricated. Setae on legs short and blunt. First tarsal chaetotaxy: 3, 3, 3. Second tarsal segments with imbrications. Abdomen. Abdominal tergites with oval and semicircular sculptures, distinctly at marginal areas. ABD TERG VIII produced caudad into conical spinal supra-caudal process, at least longer than 1 / 2 of cauda, covered with wavy wrinkles and with two blunt setae at apex (Figs 15 G, 16 G). Dorsal setae of abdomen short and blunt. Spiracles reniform and open. SIPH clavate, basal 1 / 2 cylindrical and then distinctly swollen towards apical part but constricted at apex (Figs 15 F, 16 F), the swollen wide 1.82 - 1.91 x distal wide; basal 2 / 3 with wrinkles, distal 1 / 3 imbricated, with flange. Cauda broadly tongue-shaped (Figs 15 H, 16 H), with spinulose imbrications and five or six setae. Anal plate semicircular (Fig. 15 I), spinulose, with 10 - 16 setae. Genital plate broadly oval, with sparse spinules in transverse rows, with two anterior setae and six or seven setae along the posterior margin. Alate viviparous females: mounted specimens. Body long oval; head and thorax black-brown, antennae, legs, distal part of rostrum, SIPH, supra-caudal process, cauda and anal plate brown, other parts pale in color (Fig. 17 A). See Table 2 for general measurements. Head. As in apterous viviparous females except as follows: dorsum of head smooth. Frons convex, antennal tubercles slightly prominent, lower than median frontal tubercle (Fig. 17 B). Dorsal setae of head short and pointed. Antennae 6 - segmented (Fig. 17 C), Ant. I and II smooth, Ant. III-VI with imbrications. Antennal setae short and pointed. Ant. I-VI each with 3, 3, 4, 3, 2 or 3, 2 + 1 or 2 setae; apex of PT with three setae. Primary rhinaria ciliated. Ant. III with 22 - 25 circular secondary rhinaria. Thorax. As in apterous viviparous females except as follows: dorsum of thorax smooth. Legs normal. Setae on legs long and pointed. Fore wing radius bent, media twice-branched, two cubitus; hind wings with one long longitudinal vein and two obliques. Abdomen. Abdominal tergites I-VII each with one pair of brown marginal sclerites; tergite I with a band at spino-pleural areas, tergites II-V with a brown quadrate sclerite at spino-pleural areas, tergites VI-VIII each with a brown band. Dorsum of abdominal tergites with spinulose imbrications at sclerites, others smooth. Abdominal tergites I-IV each with one pair of small marginal tubercles; ABD TERG VIII with a short warty supra-caudal process (Figs 15 K, 17 F), with two pointed setae at apex. Dorsal setae of abdomen long and pointed. SIPH clavate, basal 1 / 2 cylindrical and then distinctly swollen towards apical part but constricted at apex (Fig. 17 E); basal 2 / 3 with wrinkles, distal 1 / 3 imbricated, with flange. Cauda conical (Fig. 17 G), with spinulose imbrications and five setae. Anal plate semicircular, spinulose, with 12 - 15 setae. Genital plate broadly round, with sparse spinules in transverse rows, with two anterior setae and seven setae along the posterior margin. Others as in apterous viviparous females.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD773B4CEAFE5280B087FB22163911DE.taxon	biology_ecology	Biology. The species feeds on leaves of Medicago.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD773B4CEAFE5280B087FB22163911DE.taxon	distribution	Distribution. China (Tibet).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD1F9435751C594582B81CE3D615F595.taxon	description	Figs 18, 19, 34	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD1F9435751C594582B81CE3D615F595.taxon	materials_examined	Specimens examined. One ap. viv. fem. and one ala. viv. fem., China: Sichuan (Ganzi City), 18. VII. 2017, No. 45858 - 1 - 1, on Salix, coll. J. F. Ji; one ap. viv. fem. and one ap. viv. fem. (COI: OP 956126), Hubei (Yien County), 3. V. 2016, No. 36849 - 1 - 1, on Apiaceae, coll. X. C. Zhu; one ap. viv. fem. (slide) and one ap. viv. fem. (COI: OP 956134), Shaanxi (Ningshan County), 4. VI. 2018, No. 43081 - 1 - 1, on Apiaceae, coll. H. Long; one ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956130), Jilin, 5. VIII. 2017, No. 41140 - 1 - 1, on Apiaceae, coll. T. Y. Liu and H. Long; two ap. viv. fems., Yunnan, 25. IX. 2020, No. 49354 - 1 - 1, on Apiaceae, coll. Y. Xu; two ap. viv. fems., Tibet (Nyingchi City), 30. VI. 2021, No. 51743 - 1 - 1, on Salix, coll. Y. Xu; two ap. viv. fems., Tibet (Nyingchi City), 26. VI. 2021, No. 51699 - 1 - 1, on Salix, coll. Y. Xu; three ap. viv. fems. and five ala. viv. fems., Beijing, 4. VIII. 2000, No. 12561, on Apiaceae, coll. G. X. Qiao.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD1F9435751C594582B81CE3D615F595.taxon	diagnosis	Diagnosis. In life, body dorsum black, venter of abdomen pale yellow, sometimes pink, and appendages black (Fig. 34); nymphs pale yellow, sometimes pink, and appendages black; thoracic nota and abdominal tergites each with one pair of spinal and marginal patches (Fig. 34 D). In specimens, Body dorsum sclerotized and uniformly black-brown in mounted specimens (Fig. 18 A). PT 1.17 - 1.49 x Ant. VIb. Ant. III-V each with 51 - 64, 11 or 12, 1 - 3 circular and produced secondary rhinaria in alatae (Fig. 19 B). URS long wedge-shaped (Fig. 18 D), reaching hind coxae. ABD TERG VIII with short supra-caudal process (Fig. 18 K), 0.05 - 0.11 mm, 0.84 - 1.45 x basal width. SIPH long cylindrical (Fig. 18 I), not swollen, constricted distally, with strongly imbricated.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD1F9435751C594582B81CE3D615F595.taxon	biology_ecology	Biology. Primary host plants: Salix, and the aphids feed on tender tips and with ant attendance (Fig. 34 A-C) in China and India (Basu 1964). Secondary host plants are Apiaceae in China, and the aphids feed on young leaves and flowers, with ant attendance (Fig. 34 D-F).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
AD1F9435751C594582B81CE3D615F595.taxon	distribution	Distribution. China (Beijing, Gansu, Hubei, Jilin, Shaanxi, Sichuan, Tibet, Yunnan), India (West Bengal) (Basu 1964).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
FABA365A9DD9520F8ECA62F130A8F52A.taxon	description	Figs 20, 35 A	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
FABA365A9DD9520F8ECA62F130A8F52A.taxon	materials_examined	Specimens examined. One ap. viv. fem., China: Liaoning, 29. VI. 1984, No. Y 4977 - 1 - 2, on Salix, coll. G. X. Zhang and L. J. Liu (Jiang et al. 2011); two ap. viv. fems. and two ala. viv. fems. (slides), one ap. viv. fem. (COI: OP 956118), Beijing, 14. V. 2014, No. 31000, on Salix, coll. Y. Wang, J. J. Tang and F. F. Niu; one ap. viv. fem. and one ala. viv. fem. (slides), one ap. viv. fem. (COI: OP 956116), Sichuan (Jiuding Mountain), 23. VIII. 2013, No. 30077 - 1 - 1, host plant unknown, coll. R. Chen; one ap. viv. fem. and one ala. viv. fem., Beijing, 4. VIII. 2017, No. 41401 - 1 - 1, on Apiaceae, coll. G. X. Qiao and X. Yang; two ap. viv. fems. (slides) and one ap. viv. fem. (COI: OP 956150), Sichuan (Aba City), 22. VI. 2021, No. 51630 - 1 - 1, on Salix, coll. T. Y. Liu and S. Xu; one ap. viv. fem., Beijing, 17. VII. 2016, No. 37063 - 1 - 1, on unknown, coll. R. J. Zhang and S. F Xu.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
FABA365A9DD9520F8ECA62F130A8F52A.taxon	diagnosis	Diagnosis. ABD TERG VIII with long conical supra-caudal (Fig. 20 H), 0.15 - 0.27 mm, 0.92 - 1.85 x cauda; PT mostly short than Ant. VIb (Fig. 20 C); URS wedge-shaped (Fig. 20 D), 1.01 - 1.07 x HT II; SIPH long clavate (Fig. 20 G), 2.16 - 2.59 x cauda, 0.20 - 0.22 x body length; Ant. III-V each with 26 - 36, 5 or 6, 1 or 2 circular secondary rhinaria in alatae (Fig. 20 K).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
FABA365A9DD9520F8ECA62F130A8F52A.taxon	biology_ecology	Biology. Primary host plant: Salix; secondary host plant: Apiaceae including Anthriscus, Angelica, Heracleum (Takahashi 1961). The species feeds on young leaves of the host plant (Fig. 35 A).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
FABA365A9DD9520F8ECA62F130A8F52A.taxon	distribution	Distribution. China (Beijing, Hebei, Liaoning, Sichuan), Bhutan, Japan, Russia.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
220A7092B1865700AE382BD6502A6924.taxon	description	Figs 21, 35 B	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
220A7092B1865700AE382BD6502A6924.taxon	materials_examined	Specimens examined. One ap. viv. fem. and one ala. viv. fem., Mongolia, 11. VII. 2010, No. 24728, on Apiaceae, coll. L. Y. Jiang; two ap. viv. fems., Mongolia, 15. VII. 2010, No. 24756, on Apiaceae, coll. L. Y. Jiang; one ap. viv. fem. (slide) and one ap. viv. fem. (COI: OP 956153), China: Xinjiang, 2. VII. 2022, No. 55639, on Apiaceae, coll. Y. Xu.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
220A7092B1865700AE382BD6502A6924.taxon	diagnosis	Diagnosis. Antennae 6 - segmented (Fig. 21 C), PT> 3.46 x Ant. VIb; ABD TERG VIII with short rectangular supra-caudal process (Fig. 21 I); URS wedge-shaped (Fig. 21 D), 1.07 - 1.15 x HT II; SIPH clavate and swollen at middle (Fig. 21 H); cauda broadly tongue-shaped (Fig. 21 J), with 6 - 8 setae.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
220A7092B1865700AE382BD6502A6924.taxon	biology_ecology	Biology. Primary host plant Salix; secondary host plant Apiaceae including Heracleum, Pastinaca, Angelica, Carum, Chaerophyllum, Cicuta, Foeniculum and Torilis (Blackman and Eastop 2022). The species feeds on tender tips (Fig. 35 B).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
220A7092B1865700AE382BD6502A6924.taxon	distribution	Distribution. China (Xinjiang), Argentina, Australia, Europe, Mongolia, North America (Blackman and Eastop 2022).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
238AFD6B63225E55A3094763193C0BD8.taxon	description	Figs 22, 35 C	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
238AFD6B63225E55A3094763193C0BD8.taxon	materials_examined	Specimens examined. Two ap. viv. fems. and two ala. viv. fems. (slides), one ap. viv. fem. (COI: OP 956142), China: Beijing, 17. V. 2021, No. 50011, on Salix, coll. G. X. Qiao and Y. Xu.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
238AFD6B63225E55A3094763193C0BD8.taxon	diagnosis	Diagnosis. ABD TERG VIII with hooded supra-caudal completely hiding the cauda from above (Fig. 22 H); PT 0.55 - 0.91 x Ant. VIb; URS wedge-shaped (Fig. 22 D), 0.94 - 1.36 x HT II; cauda conical and constricted basally, blunt at apex (Fig. 22 I), the length 1.45 - 1.49 x basal width (Essig 1937).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
238AFD6B63225E55A3094763193C0BD8.taxon	biology_ecology	Biology. The species feeds on tender tips of Salix (Fig. 35 C).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
238AFD6B63225E55A3094763193C0BD8.taxon	distribution	Distribution. China (Beijing), Canada, USA.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
D6811C09DBA0587AA3CDC48CEA8FEDF5.taxon	description	Figs 23, 35 D	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
D6811C09DBA0587AA3CDC48CEA8FEDF5.taxon	materials_examined	Specimens examined. One ap. viv. fem. (slide) and one ap. viv. fem. (COI: OP 956117), China: Beijing, 6. V. 2014, No. 30855 - 1 - 1, on Salix, coll. X. J. Tang and T. T. Xu; one ap. viv. fem. and one ala. viv. fem., Beijing, 6. V. 2014, No. 30836 - 1 - 1, on Salix, coll. Y. Wang, X. J Tang and F. F. Niu; two ala. viv. fems., Hebei, 12. V. 2002, No. 13268 - 1 - 1, on Salix, coll. G. X. Qiao and H. Liu; one ap. viv. fem., Beijing, 26. V. 2015, No. 34341 - 1 - 1, on Salix, coll. X. C. Zhu and Y. Li; two ala. viv. fems., Qinghai, 9. VI. 1997, No. 11401 - 1 - 1, on Salix, coll. X. L. Chen (Zhang et al. 1999).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
D6811C09DBA0587AA3CDC48CEA8FEDF5.taxon	diagnosis	Diagnosis. ABD TERG VIII with conical supra-caudal process (Fig. 23 H), longer than cauda, 1.60 x cauda; SIPH clavate, thick, short, distinctly swollen over most of length, curved outward distally (Fig. 23 G), 1.70 x cauda; Ant. III-V each with 24 - 30, 3 - 7, 0 - 3 circular secondary rhinaria in alatae (Fig. 23 K) (Matsumura 1917; Zhang et al. 1999).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
D6811C09DBA0587AA3CDC48CEA8FEDF5.taxon	biology_ecology	Biology. Primary host plant: Salix (Fig. 35 D); secondary host plant: Apiaceae (Apium, Oenanthe javanica, Cryptotaenia, Levisticum, Sanicula, Sium) (Blackman and Eastop 2022).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
D6811C09DBA0587AA3CDC48CEA8FEDF5.taxon	distribution	Distribution. China (Beijing, Gansu, Guangdong, Hebei, Henan, Inner Mongolia, Jiangxi, Jiangsu, Jilin, Liaoning, Ningxia, Qinghai, Shaanxi, Shandong, Taiwan, Tianjin, Yunnan, Zhejiang) (Jiang et al. 2011), Japan, Korea, Russia.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
55C3C2202A5C5E90BA67D1235989B7A4.taxon	description	Figs 24, 25, 26, 36	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
55C3C2202A5C5E90BA67D1235989B7A4.taxon	diagnosis	Diagnosis. In life, body dorsum of body sclerotized, black and ridged, turtle-shaped, venter of abdomen flat and pink, appendages black distally, other parts pale in color (Fig. 36); in mounted specimens body dorsum sclerotized and inconsistently black, spinal area dark brown and pleuro-marginal area pale brown in color (Fig. 25 A); body dorsum with densely semicircular and circular sculptures (Fig. 25 A); URS long wedge-shaped (Figs 24 C, 25 D); abdominal tergites VIII with short cylindrical supra-caudal process (Figs 24 F, 25 H); SIPH cylindrical and constricted, curved outward distally (Figs 24 G, 25 G).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
55C3C2202A5C5E90BA67D1235989B7A4.taxon	description	Description. Apterous viviparous females: body oval, dorsum of body sclerotized, black and ridged, turtle-shaped, venter of abdomen flat and pink, appendages black distally, other parts pale in life (Fig. 36). Nymphs: body pick or orange in color, appendages black distally, thoracic nota and abdominal tergites each with one pair of black spinal and marginal patches, other parts pale in life (Fig. 36 B). Mounted specimens. Body dorsum sclerotized and inconsistently black, spinal area dark brown and pleuro-marginal area pale brown in color (Fig. 25 A). Ant. I, II, V, and VI brown, other parts pale brown in color. Legs and SIPH pale brown; cauda and anal plate dark brown in color. Body dorsum covered with densely circular or semicircular sculptures which more developed on spino-pleural areas. See Table 2 for general measurements. Head. Head dorsum densely covered with wavy sculptures. Frons convex, antennal tubercles slightly prominent, as high as median frontal tubercle (Figs 24 A, 25 B). Dorsal setae of head short and pointed. Head with one pair of cephalic setae, one or two pairs of setae at apex of antennal tubercles, one or two pairs of dorsal setae between antennae, two pairs of dorsal setae between compound eyes arranged transversely. Antennae 6 - segmented (Figs 24 B, 25 C), 5 - segmented occasionally, Ant. I and II slightly imbricated at inner side, Ant. III-VI with imbrications. Antennal setae short and pointed. Ant. I-VI each with 3 - 5, 3 or 4, 3 - 9, 2 or 3, 2 - 5, 2 - 4 + 1 or 2 setae; apex of PT with two or three setae. Primary rhinaria unciliated. Rostrum exceeding mid-coxae; URS long wedge-shaped (Figs 24 C, 25 D), with three pairs of primary setae, one pair of accessory setae. Thorax. Thoracic nota with semicircular and irregular circular sculptures on spino-pleural areas, marginal areas with semicircular sculptures which sparser than spino-pleural areas. Pronotum mostly with one pair of small marginal tubercles. Dorsal setae of thorax short and pointed; pronotum with two pairs of spinal setae, arranged anteriorly and posteriorly, one pair of pleural and one pair of marginal setae; mesonotum with 6 - 11 spino-pleural setae and two pairs of marginal setae; metanotum with 4 - 6 spino-pleural setae and two pairs of marginal setae. Legs normal. Distal part of femora with oval and imbricated sculptures; distal part of tibiae imbricated. Setae on legs short and pointed. First tarsal chaetotaxy: 3, 3, 3. Second tarsal segments with imbrications. Abdomen. Abdominal tergites I-VI with densely circular sculptures on spino-pleural areas (Figs 24 E, 25 F) and sclerotized dark brown, marginal areas with sparsely semicircular sculptures; abdominal tergite VII with circular sculptures on spino-pleural areas, marginal and posterior with papillate tubercles; ABD TERG VIII with densely papillate tubercles (Fig. 25 I). Abdominal tergites I-IV mostly each with one pair of small marginal tubercles; ABD TERG VIII with short cylindrical supra-caudal process covered with semicircular sculptures (Fig. 25 H), 0.06 - 0.07 mm, 1.11 - 1.43 x basal width. Dorsal setae of abdomen short and pointed; abdominal tergites I-V each with two pairs of spinal setae, one pair of pleural and one pair of marginal setae, tergite VI with one pair of spinal, pleural, and marginal setae respectively, tergite VII with one pair of spinal setae; tergite VIII with two spinal setae at apex of supra-caudal process. Spiracles reniform and open. SIPH cylindrical and constricted at apex, curved outward distally (Figs 24 G, 25 G); strongly imbricated, with flange. Cauda conical, blunt, and constricted distally (Figs 24 H, 25 J), with spinulose imbrications and five or six setae. Anal plate semicircular, spinulose (Fig. 24 I), with 9 - 22 setae. Genital plate broadly round, with sparse spinules in transverse rows, with two anterior setae and 8 - 10 setae along the posterior margin. Alate viviparous females: body long oval; head and thorax black, abdomen pink, abdominal tergites with a quadrate patch in life (Fig. 36 C). Mounted specimens. Head and thorax black-brown, antennae, legs, distal part of rostrum, SIPH, cauda and anal plate brown, other parts pale in color (Fig. 26 A). See Table 2 for general measurements. Head. As in apterous viviparous females except as follows: dorsum of head smooth. Frons convex, antennal tubercles slightly prominent, not higher than frontal tubercle. Antennae lost (in this specimen). Rostrum reaching mid-coxae. Thorax. As in apterous viviparous females except as follows: dorsum of thorax smooth. Legs normal. Fore wings radius bent, media twice branched, two cubitus; hind wings with single long longitudinal vein and two obliques. Abdomen. Abdominal tergites I-V each with one pair of marginal sclerites; tergite I with scattered small sclerites at spino-pleural area, tergite II with a brown band at spino-pleural area, tergites III-VI with a brown quadrate sclerite at spino-pleural areas, tergites VII and VIII each with a across brown band (Fig. 26 A). Abdominal tergites with spinulose imbrications at sclerites, others smooth. Abdominal tergites I-IV each with one pair of small marginal tubercles; ABD TERG VIII with a short warty supra-caudal process and with two long and pointed setae at apex (Fig. 26 B). Cauda conical (Fig. 26 C), with spinulose imbrications and five setae. Anal plate semicircular, spinulose, with 16 setae. Genital plate broadly round, with sparse spinules in transverse rows, with two anterior setae and ten setae along the posterior margin. Others as in apterous viviparous females.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
55C3C2202A5C5E90BA67D1235989B7A4.taxon	etymology	Etymology. The new species is named for its sculptures on the dorsum of body.	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
55C3C2202A5C5E90BA67D1235989B7A4.taxon	biology_ecology	Biology. The species feeds on young stems and leaves of Apiaceae (Torilis, Cryptotaenia), with ant attendance (Fig. 36).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
55C3C2202A5C5E90BA67D1235989B7A4.taxon	distribution	Distribution. China (Hubei, Shaanxi).	en	Xu, Ying, Chen, Jing, Jiang, Li-Yun, Qiao, Ge-Xia (2023): Cavariella Del Guercio (Hemiptera, Aphidinae, Macrosiphini) in China, with a new species, new synonymies, and first country records. ZooKeys 1169: 235-292, DOI: http://dx.doi.org/10.3897/zookeys.1169.98552, URL: http://dx.doi.org/10.3897/zookeys.1169.98552
