Phanerotoma microdentata, Luo & Achterberg & He & Tang & Chen, 2025

Luo, Wen-Juan, Achterberg, Cornelis Van, He, Jun-Hua, Tang, Pu & Chen, Xue-Xin, 2025, Revision of the genus Phanerotoma Wesmael (Hymenoptera, Braconidae, Cheloninae) from China, with descriptions of twenty-four new species, European Journal of Taxonomy 1003, pp. 1-110 : 46-49

Phanerotoma microdentata sp. nov.

urn:lsid:zoobank.org:act:547A6C29-7CA4-46F5-8B0D-B39024E0C5B8

Fig. 18

Diagnosis

Lower tooth of mandible 0.5× as long as apical tooth ( Fig. 18L ); scutellum dull and densely coriaceous ( Fig. 18H ); second submarginal cell slightly more slender ( Fig. 18G ); vein cu-a of fore wing as long as vein 1-CU1; body yellowish brown; second metasomal suture straight; third tergite evenly rounded posteriorly and its basal half rather coarsely sculptured ( Fig. 18I ); hind coxa pale-yellowish ( Fig. 18K ); hypopygium of female short and triangularly protruding apically ( Fig. 18J ).

Etymology

Named after the small teeth of the clypeus, from the Greek ‘ mikros ’ for ‘small, little’ and the Latin ‘ dens ’ for ‘tooth’.

Type material

Holotype

CHINA – Jilin • ♀; Gongzhuling; Aug.–Oct. 1983; Chenglun Wang leg.; ZJUH No. 840053.

Paratypes (55 ♀♀, 12 ♂♂)

CHINA – Jilin • 1 ♀; same data as for holotype; 10 Aug. 1954; Qingfeng Xu leg.; ZJUH No. 5535.5 • 1 ♂; same data as for preceding; 1972; Qingfeng Xu leg.; ZJUH No. 72014.5a • 5 ♀♀ same data as for preceding; ZJUH Nos 72014.5b to 72014.5f • 1 ♀; same data as for preceding; 16 Aug. 1977; Junhua He leg.; ZJUH No. 770982 • 1 ♂; same data as for preceding; Aug.–Sep. 1983; Chenglun Wang leg.; ZJUH No. 840040 • 22 ♀♀; same data as for preceding; ZJUH Nos 840042 to 840044, 840067, 840048 to 840050, 840052, 840054, 840055, 840057 to 840059, 840062 to 840069, 840111 • 1 ♀; Changbai Mt. ; 4 Aug. 1994; Juxian Lou leg.; ZJUH No. 951648 . – Beijing • 1 ♂; Jul. 1962; Changhou Chen leg.; ZJUH No. 62009.4a • 3 ♀♀; same data as for preceding; ZJUH Nos 62009.4b to 62009.4d . – Heilongjiang • 2 ♂♂; Harbin ; Aug. 1973; Yongkang Chen leg.; ZJUH Nos 740004a, 740004b • 3 ♀♀; same data as for preceding; ZJUH Nos 740004c to 740004e • 1 ♂; same data as for preceding; 1 Aug. 1977; Junhua He leg.; ZJUH No. 771584 • 4 ♀♀; same data as for preceding; ZJUH Nos 771585, 771588, 771595, 771602 • 1 ♀; Jingbo Lake ; 26 Aug. 1995; Juxian Lou leg.; ZJUH No. 951419 . – Anhui • 1 ♀; Yuexi ; 26 Sep. 1981; Fuan Yang leg.; ZJUH No. 820575 . – Guangxi Zhuangzu Zizhizhou • 1 ♀; Longzhou, Nonggang ; 20–23 May 1982; Junhua He leg.; ZJUH No. 821630 . – Guizhou • 1 ♀; Chishui, Nanchanggou ; 22 Sep. 2000; Yun Ma leg.; ZJUH No. 20003063 • 2 ♀♀; Chishui, Alsophila Nature Reserve ; 21 Sep. 2000; Yun Ma leg.; ZJUH Nos 200603139, 200103232 . – Hainan • 1 ♀; Wuzhi Mt. ; 16 May 2007; Jie Zeng leg.; ZJUH No. 200705106 • 1 ♀; Yinggeling ; 23 May 2007; Jingxian Liu; ZJUH No. 200702328 . – Jiangsu • 1 ♀; Nanjing ; 11 Jun. 1958; ZJUH No. 5815.1 • 6 ♂♂; Nanjing ; 11 Jun. 1958; ZJUH Nos 5815.1a to 5815.1f • 5 ♀♀; same data as for preceding; ZJUH Nos 5815.1g to 5815.1k . – Yunnan • 1 ♀; Kunming ; 24 Mar. 1981; Junhua He leg.; ZJUH No. 814515 .

Description

Female

MEASUREMENTS. Length of body 4.3 mm, of fore wing 3.7 mm.

COLOURATION. Yellowish brown; stemmaticum, mesoscutum laterally, propodeum, second tergite laterally and third tergite dark brown; first and second tergites pale-yellowish medially; hind femur apically, tibia basally and apically, teeth of mandible and scutellum brown.

HEAD. Width 1.3× median length in anterior view ( Fig. 18E ) and part of head above eye in lateral view 0.3 × height of eye ( Fig. 18D ); antenna with 23 segments and as long as fore wing, six subapical antennal segments submoniliform ( Fig. 18F ); area of stemmaticum mainly granulate; OOL: diameter of posterior ocellus: POL=29: 11: 8; eye 1.4× temple in dorsal view ( Fig. 18C ); frons with longitudinal rugae medially, rugose laterally and with weak median ridge; vertex granulate-rugose and with satin sheen; temple largely striate and with satin sheen; face with oblique rugae laterally, transversely rugose medially and without median carina; clypeus smooth, shiny and 0.9× minimum width of face, intertentorial distance 2.6× minimum width between clypeus and eye, clypeus long erect setose and with 3 small teeth medio-ventrally ( Fig. 18E ); eye large and in lateral view 1.6 × as wide as temple ( Fig. 18D ), in anterior view its height 0.7× minimum width of face; upper condyle of mandible below lower level of eyes ( Fig. 18E ); malar space as long as basal width of mandible; lower tooth of mandible 0.5× length of apical tooth, robust and short ( Fig. 18L ).

MESOSOMA ( Fig. 18H ). Length 1.8× its width in lateral view; side of pronotum mainly rugose, but dorsally nearly smooth; mesoscutum densely rugose and rather shiny, densely setose; notauli hardly indicated; scutellar sulcus wide ( Fig. 18H ); scutellum triangular, flat, distinctly dull and coriaceous; metanotum without median carina and tooth posteriorly; propodeum coarsely reticulate-rugose, without latero-posterior tubercles, no transverse or median carinae.

WINGS. Fore wing 2.6× as long as its maximum width; length of 1-R1 1.4× as long as pterostigma; r of fore wing 0.5× 3-SR; distance between 1-R1 and wing apex 0.5× 1-R1; 2-SR bent ( Fig. 18G ); SR1 nearly straight; 2-SR+M present; pterostigma large, parastigma medium-sized; 1-CU1 0.4× as long as vein 2-CU1, cu-a oblique and as long as 1-CU1; r: 3-SR: SR1=15: 28: 93; 2-SR: 3-SR: r-m=49: 28: 17; 2-M bent ( Fig. 18G ).

LEGS ( Fig. 18K ). Hind femur moderately wide and with satin sheen, 3.5× as long as wide and rather widened submedially; hind tibia rather slender; middle tibia with medium-sized pale-yellow blister; hind coxa smooth and shiny.

METASOMA ( Fig. 18I–J ). Carapace elliptical in dorsal view, 1.8 × as long as wide and as long as mesosoma; first and second tergites coarsely and densely longitudinally rugose; second suture narrow; third tergite 1.8× as long as second tergite and laterally weakly curved, in lateral view slightly convex posteriorly, in dorsal view densely and semi-circularly rugose and truncate ( Fig. 18I ), lateral lamella narrow, medio-apically with wide and deep emargination; ovipositor sheath narrow ( Fig. 18J ), with some long and erect setae; hypopygium apically acute and with up-curved short triangular protuberance ( Fig. 18J ).

VARIATION. Length of fore wing 3.1–4.0 mm, vein r of fore wing 0.5–1.0 × as long as vein 3-SR.

Male

Very similar to female, but third tergite in dorsal view nearly truncate medio-posteriorly ( Fig. 18B ) and antennal segments slenderer.

Hosts

Leguminivora glycinivorella (Matsumura, 1898) ( Tortricidae ) and Sitotroga cerealella Olivier, 1789 ( Gelechiidae ).

Distribution

China (Anhui, Heilongjiang, Jilin, Beijing, Jiangsu, Guizhou, Yunnan, Guangxi Zhuangzu Zizhiqu, Hainan).

Figures

Fig. 18. Phanerotoma microdentata sp. nov. A, C–L. Holotype, ♀ (ZJUH No. 840053). B. Paratype, ♂ (ZJUH No. 72014.5a). A. Habitus, lateral view. B. First third of metasomal tergites, dorsal view. C. Head, dorsal view. D. Head, lateral view. E. Head, anterior view. F. Antenna, lateral view. G. Fore wing. H. Mesosoma, dorsal view. I. First third of metasomal tergites, dorsal view. J. Metasoma, lateral view. K. Hind leg. L. Mandible, ventral view. Scale bars: A–K =1 mm; L=0.2 mm.