taxonID	type	description	language	source
773C1B22FFEAFFB024EB689BFB03FADC.taxon	type_taxon	Type species. Dasongius rugosus (Sun & Guo, 2010).	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEAFFB024EB689BFB03FADC.taxon	discussion	Four species known in the genus:	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEAFFB024EB689BFB03FADC.taxon	diagnosis	Diagnosis. Body subcylindrical; pygidium quadrangular, elongated and much longer than tergum VI; surface of pygidial tergum highly modified as engraved honeycombed pentagonal and tetragonal cellae; pygidial sternum with two pairs of setae, b 1 + b 2; anterior margin of sterna antennal branch s shorter than posterior margin; globulus with short stalk; bothriotricha T 5 straight, strong, with sparse and long pubescence in proximal part; adults with 9 pairs of legs, 1 st and last pairs 5 - segmented, interposed pairs 6 - segmented (Guo et al. 2010). It can be easily distinguished from all other genera of family Pauropodidae by its unique engraved honeycomb-like structures on the tergum of pygidium.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEAFFB024EB689BFB03FADC.taxon	distribution	Distribution. China (Anhui, Guangxi, Jiangsu, Ningxia, Shanxi, Shanghai, Sichuan).	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEAFFB424EB6FCCFD6DFADE.taxon	description	Figures 1 ‒ 21, Table 1.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEAFFB424EB6FCCFD6DFADE.taxon	materials_examined	Material examined: Holotype, female adult with 9 pairs of legs (slide no. NX-LPS-PA 2009001) (SNHM), Ningxia, Guyuan City, Jingyuan County, Liupan Mountain, Longtan forest farm, soil samples in a broad-leaf forest, 35 ° 37 ’ 40 ’’ N 106 ° 33 ’ 25 ’’ E, elev. 2000 m, 11 - VII- 2009, colls. C. W. Huang & W. J. Chen. Paratypes, 1 female adult with 9 pairs of legs (slide no. NX-LPS-PA 2009002), same data as holotype; 2 female adults with 9 pairs of legs (slide nos. SX-LS-PA 2013019, SX-LS-PA 2013020), Shanxi, Jincheng City, Qinshui County, Zhongcun Town, Zhangma village, soil samples in a broad-leaf forest, 35 ° 59 ’ 15 ’’ N 111 ° 57 ’ 20 ’’ E, elev. 550 m, 8 - VII- 2013, colls. Y. Bu & Y. Gao; 1 female adult with 9 pairs of legs (slide no. SC-PA 2017001), Sichuan, Aba Tibetan and Qiang Autonomous Prefecture, Jinchuan County, soil samples from broad-leaf forest, 31 ° 11 ’ 35 ’’ N 101 ° 58 ’ 20 ’’ E, elev. 2020 m, 24 - VIII- 2017, coll. C. W. Huang. Non-type material, 1 juvenile with 8 pairs of legs (slide no. NX-LPS-PA 2009003), 1 juvenile with 5 pairs of legs (slide no. NX-LPS-PA 2009004), same data as holotype.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEAFFB424EB6FCCFD6DFADE.taxon	diagnosis	Diagnosis. Dasongius liupanensis sp. n. is characterized by the cylindrical, non-furcate setae on the collum segment; long seta p on tergal branch and long q on sternal branch of antenna; 6 + 6 setae on tergite II; leg 9 with furcate setae on coxa and non-furcate setae on trochanter; tergum of pygidium with long and glabrous seta a 1, a 2, and clavate setae st; anal plate pubescent, medially separated into two processes posteriorly, and with 2 long, cylindrical appendages. Dasongius liupanensis sp. n. can be easily distinguished from the other three known species of the genus by the shape of the anal plate. It also differs from D. rugosus and D. bicruris in the shape of the tergum of pygidium, length of setae on antennal segment 4, shape of setae of collum segment, and the shape of the setae on coxa and trochanter of leg 9 (Table 1).	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEAFFB424EB6FCCFD6DFADE.taxon	description	Description. Adult body length (0.8 –) 0. 95 mm (n = 5); white to pale yellow and with pygidium light brown in alcohol (Fig. 10). 5 Head (Figs. 1, 11). Dorsal head setae short to moderately long, annulate, clavate; lateral ones slender. Relative lengths of setae, 1 st row: a 1 = 10, a 2 = 13 (– 14); 2 nd row: a 1 = 10, a 2 = (25 –) 26, a 3 = 14 (– 18); 3 rd row: a 1 = 10, a 2 = (10 –) 12; 4 th row: a 1 = 10 (– 12), a 2 = (20 –) 22, a 3 = 26 (– 28), a 3 = 24 (– 25); lateral group setae l 1 = 21 (– 22), l 2 = 22 (– 23) l 3 = 24 (– 25); the ratio a 1 / a 1 – a 1 in 1 st row 0.9 (– 1.0), 2 nd row 0.4 (– 0.5), 3 rd row 0.6 (– 0.7), and 4 th row 1.3 (– 1.4). Temporal organs oval in dorsal view, their length 0.7 (– 0.8) of their shortest distance apart. Head cuticle glabrous. Antennae (Figs. 2 – 4, 15). Chaetotaxy of segments 1 – 4: 2 / 2 / 3 / 4. Antennal segment 4 with four cylindrical, annulate setae; relative lengths of setae: p = 100, p ’ = (57 –) 66, p ’’ = 43 (– 49), r = 46 (– 51); tergal seta p 1.5 (– 1.9) times as long as tergal branch t. The latter cylindrical, (3.0 –) 4.2 times as long as its greatest diameter and (1.4 –) 1.6 times as long as sternal branch s, which itself is 1.8 (– 2.3) times as long as its greatest diameter. Seta q cylindrical, annulate, (1.3 –) 1.5 times as long as s. Relative lengths of flagella (base segments included) and base segments: F 1 = 100, bs 1 = 9 (– 11); F 2 = 38 (– 45), bs 2 = (6 –) 7; F 3 = 81 (– 87), bs 3 = 9 (– 11). F 1 4.2 (– 4.7) times as long as t, F 2 and F 3 (2.2 –) 2.5 and 3.5 (– 4.3) times as long as s respectively. Distal calyces small, hemispherical; flagella axes cylindrical below calyx. Globulus g 1.5 (– 1.6) times as long as wide; with 10 bracts, capsule spherical; width of g 0.4 of the greatest diameter of t. Antennae glabrous. Trunk. Setae on collum cylindrical, annulate. Sublateral setae length (25 –) 27 μm, 2.2 (– 2.5) times as long as submedian setae (Fig. 12); sternite process triangular, pointed; appendages narrowing distally and with flat caps (Fig. 12). Setae on tergites thin, cylindrical; 4 + 4 setae on tergite I (Fig. 13), 6 + 6 on II – IV (Fig. 14), 6 + 4 on V (Fig. 19), 4 + 2 on VI (Fig. 20); shortest one 10 μm and longest one 34 μm on I – V; posterior setae on VI extremely long (Fig. 20), straight, 58 (– 80) μm, their mutual distance 20 (– 22) μm. Tergites I – V glabrous, VI with dense pubescence on posterior part. Bothriotricha. Relative lengths: T 1 = 100 (– 116), T 2 = (107 –) 113 (– 123), T 3 = (107 –) 113 (– 126), T 4 = (134 –) 140 (– 150), T 5 = (193 –) 210 (– 228). T 1 – T 4 with simple, straight axes and dense pubescence (Figs. 8, 19). T 5 with thicker axis; pubescence sparse and long in proximal part, dense and short in distal part (Fig. 9). Legs. Setae on coxa and trochanter of legs 1 – 8 subcylindrical, short, and annulate (Fig. 16). Setae on coxa of leg 9 furcate with subcylindrical, annulate, blunt branches, length (15 –) 16 μm, on trochanter of leg 9 cylindrical, slender, annulate, length 17 (– 20) μm (Fig. 17). Tarsus of leg 9 long, 50 (– 53) μm, tapering, 4.2 (– 4.4) times as long as its greatest diameter (Figs. 5, 18). Proximal seta long, 25 (– 30) μm, tapering, striate; distal seta (10 –) 11 μm, cylindrical, annulate; their lengths 0.5 (– 0.6) and 0.2 of the tarsal length, respectively. Tarsus of leg 1 – 8 each with only 1 distal, annulate seta, (7 –) 8 μm. All leg tarsi with three claws, one of them with a round, pubescent flap. Cuticle of tarsus pubescent. Pygidium. Tergum (Figs. 7, 20). Surface highly modified as engraved, honeycombed, pentagonal and tetragonal cellae. Anterior margin projected forward in the middle, posterior margin with two weak indentions in the middle. Lengths of setae: a 1 = (30 –) 35 μm, a 2 = (43 –) 45 μm, a 3 = 55 (– 60) μm, st = (12 –) 15 μm. All setae tapering, pointed, a 1 and a 2 glabrous and long, a 3 pubescent (Fig. 7); st clavate and curved inward (Fig. 6); Distance a 1 – a 1 (0.5 –) 0.6 of length of a 1; distance a 1 – a 2 (2.5 –) 3.3 times as long as a 2 – a 3; distance st – st 1.1 (– 1.2) times as long as st and 0.7 (– 0.9) of distance a 1 – a 1. Sternum (Figs. 6, 21) pubescent, posterior margin with weak indentation between between b 1. Lengths of setae: b 1 = 35 (– 37) μm, b 2 = 32 (– 40). Seta b 1 cylindrical, blunt, annulate, b 2 tapering and pubescent. Distance b 1 – b 1 0.9 of length of b 1; distance b 1 – b 2 0.5 (– 0.6) of length of b 2. Anal plate (Figs. 6, 21) densely pubescent, (2.1 –) 2.2 times as long as broad, posterior half of plate divided into 2 tapering processes, each of them with 1 pubescent, cylindrical appendage inserted basally and protruding backwards, 0.5 (– 0.6) of length of plate.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEAFFB424EB6FCCFD6DFADE.taxon	etymology	Etymology. The species is named after the type locality, Liupan Mountain.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEAFFB424EB6FCCFD6DFADE.taxon	distribution	Distribution. China (Ningxia, Shanxi, Sichuan).	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEEFFBB24EB6FCEFD11FBDA.taxon	description	Figures 22 ‒ 37, Table 1.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEEFFBB24EB6FCEFD11FBDA.taxon	materials_examined	Material examined: Holotype, male adult with 9 pairs of legs (slide no. JS-WX-PA 2018001), China, Jiangsu Province, Wuxi City, Daji Mountain, extracted from soil samples in bamboo forest, elev. 5 m, 31 ° 32 ’ 10 ’’ N, 120 ° 12 ’ 43 ’’ E, 8 - X- 2018, coll. Y. Bu. Paratypes, 1 male adult with 9 pairs of legs (slide no. JS-WX-PA 2017035), same locality as holotype, 9 - X- 2017, coll. Y. Bu; 2 male adults with 9 pairs of legs (slide no. SH-DSGY-PA 2017001, SH-DSGY- PA 2017002), China, Shanghai, Jing’an district, Jing’an sculpture park, samples in urban broad-leave forest, elev. 23 m, 31 ° 14 ’ 30 ’’ N, 121 ° 27 ’ 55 ’’ E, 5 - VIII- 2017, coll. Y. Bu & Y. L. Jin. Non-type material, 1 juvenile with 6 pairs of legs (slide no. SH-DSGY-PA 2017003), same data as paratypes from Shanghai.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEEFFBB24EB6FCEFD11FBDA.taxon	diagnosis	Diagnosis. Dasongius spatulatus sp. n. is characterized by the cylindrical, non-furcate setae on the collum segment; long seta p on tergal branch and long q on sternal branch of antenna; 6 + 6 setae on tergite II; furcate setae on coxa and non-furcate setae on trochanter of leg 9; tergum of pygidium with long and granulated seta a 1 and a 2, and spatulate seta st; anal plate glabrous, separated into two processes posteriorly, and with 2 short, granulated, lanceolate appendages. Dasongius spatulatus sp. n. is distinctly different from the D. rugosus and D. bicrurus by the shape of anal plate. It is similar to D. liupanensis sp. n. in the shape of the setae on the head, collum segment, tergites, and legs. They can be distinguished by the shape of the tergum of the pygidium, shape of anal plate, as well as the shape of seta a 1, a 2, st and b 1 of the pygidium (Table 1). The differences of four known species of the genus are compared in Table 1.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEEFFBB24EB6FCEFD11FBDA.taxon	description	Description. Adult body length 0.86 (0.78) mm (n = 4); white to pale yellow and pygidium light brown in alcohol (Fig. 30). Head (Figs. 22, 31). Dorsal head setae short to moderately long, annulate, clavate, lateral ones slender. Relative lengths of setae, 1 st row: a 1 = 10, a 2 = 10; 2 nd row: a 1 = 8, a 2 = 18, a 3 = 13 (11); 3 rd row: a 1 = 6 (5), a 2 = 9 (8); 4 th row: a 1 = 7, a 2 = 13 (12), a 3 = 14, a 4 = 13; lateral group setae l 1 = 10 (11), l 2 = 13 (10) l 3 = 15 (12); the ratio a 1 / a 1 – a 1 in 1 st row 1.3, 2 nd row 0.4 (0.5), 3 rd row 0.6, and 4 th row 1.4. Temporal organs oval in dorsal view, their length 0.8 (0.9) of their shortest distance apart. Head cuticle glabrous. Antennae (Fig. 23). Chaetotaxy of segments 1 – 4: 2 / 2 / 3 / 4. Antennal segment 4 with four cylindrical, annulate setae; relative lengths of setae: p = 100, p ’ = 64 (60), p ’’ = 46, r = 61; tergal seta p 1.4 (1.7) times as long as tergal branch t. The latter subcylindrical, swollen distally, 3.3 (3.0) times as long as its greatest diameter and 1.2 (1.3) times as long as sternal branch s, which itself is 2.0 (1.8) times as long as its greatest diameter. Seta q cylindrical, annulate, 1.4 times as long as s. Relative lengths of flagella (base segments included) and base segments: F 1 = 100, bs 1 = 9 (10); F 2 = 38 (45), bs 2 = 6; F 3 = 76, bs 3 = 9 (10). F 1 3.9 (4.3) times as long as t, F 2 and F 3 1.9 (2.5) and 3.8 (4.3) times as long as s respectively. Distal calyces small, hemispherical; Flagella axes cylindrical below calyx. Globulus g 1.8 times as long as wide; with 10 bracts, capsule spherical; width of g 0.4 (0.5) of the greatest diameter of t. Antennae glabrous. Trunk. Setae on collum cylindrical, annulate. Sublateral setae length 20 (22) μm, 2.2 (2.4) times as long as submedian setae (Fig. 24); sternite process triangular, pointed; appendages narrowing distally and with flat caps (Fig. 24). Setae on tergites thin, cylindrical; 4 + 4 setae on tergite I (Fig. 32), 6 + 6 on II – IV (Figs. 33, 34), 6 + 4 on V (Fig. 35), 4 + 2 on VI; shortest seta 7 μm and longest one 38 μm on I – V; posterior setae on VI moderate, 40 (30) μm, their mutual distance 22 (16) μm. Tergites I – V glabrous, VI with dense pubescence on posterior part. Bothriotricha. Relative lengths: T 1 = 100, T 2 = 113, T 3 = 119, T 4 = 134, T 5 = 194 (175). T 1 – T 4 with simple, straight axes and dense pubescence (Figs. 33 – 35). T 5 with thicker axis; pubescence sparse and long in proximal part, dense and short in distal part, same as in D. liupanensis sp. n. (Figs. 9, 37). Genital papillae (Fig. 26). Base segments cylindrical. Length of papillae = 20 (18) μm, greatest diameter = 13 (12) μm, length of seta = 11 (11) μm. Proximal part of genital papillae subcylindrical, distal part conical, seta 0.6 (0.5) of length of papilla. Cuticle glabrous. Coxal seta of leg 2 same as on leg 1. Legs. Setae on coxa and trochanter of legs 1 – 8 subcylindrical, short, and annulate. Setae on coxa of leg 9 furcate with subcylindrical, annulate, blunt branches, length 12 (13) μm, on trochanter of leg 9 cylindrical, slender, annulate, length 13 (14) μm (Fig. 36). Tarsus of leg 1 – 8 each with only 1 distal, annulate seta, 5 (6) μm (Fig. 25). Cuticle of tarsus pubescent. Tarsus of leg 9 tapering, 40 μm, 4.0 (4.4) times as long as its greatest diameter (Fig. 27). Proximal seta 20 (15) μm, tapering, striate; distal seta 10 (8) μm, cylindrical, annulate; their lengths 0.5 (0.4) and 0.2 (0.3) of the tarsal length, respectively. Pygidium. Tergum (Figs. 28, 37). Surface highly modified as engraved, honeycombed, pentagonal and tetragonal cellae. Pygidium about as long as wide. Anterior margin straight, posterior margin with one deep indention in the middle. Lengths of setae: a 1 = 33 (30) μm, a 2 = 43 (40) μm, a 3 = 50 (45) μm, st = 9 μm. All setae tapering, pointed, a 1 and a 2 granulated distally, a 3 pubescent; st spatulate, with apical 1 / 3 part broadened; Distance a 1 – a 1 0.5 (0.4) of length of a 1; distance a 1 – a 2 2.0 times as long as a 2 – a 3; distance st – st 1.3 (1.2) times as long as st and 0.8 (0.9) of distance a 1 – a 1. Sternum (Fig. 29) pubescent, posterior margin with distinct indentation between between b 1. Lengths of setae: b 1 = 35 (30) μm, b 2 = 38 (30). Both seta b 1 and b 2 tapering and pubescent. Distance b 1 – b 1 0.9 of length of b 1; distance b 1 – b 2 0.5 of length of b 2. Anal plate (Fig. 29) glabrous, 2.8 (2.9) times as long as broad, posterior half of plate divided into 2 tapering processes, each of them with 1 short, granulated and lanceolate appendages inserted basally and protruding backwards, 0.7 of length of plate.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEEFFBB24EB6FCEFD11FBDA.taxon	etymology	Etymology. The species name “ spatulatus ” refers to the spatulate seta st on tergum of pygidium.	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
773C1B22FFEEFFBB24EB6FCEFD11FBDA.taxon	distribution	Distribution. China (Jiangsu, Shanghai).	en	Bu, Yun (2021): Two new species of the genus Dasongius (Myriapoda, Pauropoda, Pauropodidae) from China. Zootaxa 4908 (2): 239-250, DOI: 10.11646/zootaxa.4908.2.5
