Atanycolus grandis Wang & Chen, 2009

Wang, Yi-Ping, Shi, Min, Chen, Xue-xin & He, Jun-Hua, 2009, The genus Atanycolus Foerster (Hymenoptera, Braconidae, Braconinae) in China, with description of one new species, ZooKeys 27 (27), pp. 31-41 : 33-35

publication ID 10.3897/zookeys.27.251

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Atanycolus grandis Wang & Chen

sp. nov.

Atanycolus grandis Wang & Chen , sp. n.

Figs 1–9

Length of body 10.0–14.0 mm, fore wing 8.0–12.0 mm, ovipositor sheath 10.0–12.5 mm.

Head. Antenna with 68 segments; terminal flagellomere tapering apically, approximately 1.4 times longer than basal width; first flagellomere parallel-sided but weakly flared basally, 1.2 and 1.5 times longer than the second and third ones, respectively; the latter 1.4 times longer than its maximum width; median flagellomeres as long as its maximum width; transverse medial clypeal carina with a row sparse long setae; height of clypeus: inter-tentorial distance: tentorio-ocellar distance = 5: 9: 6; face with sparse long setae, width of face: width of head: maximum length of eye in dorsal view = 18: 34: 19; frons strongly impressed medially; shortest distance between posterior ocelli: diameter of posterior ocellus: shortest distance between posterior ocellus and eye = 2.5: 2.0: 9; vertex smooth and shiny with dense setae.

Mesosoma. Length of mesosoma 1.8 times as long as its maximum height, smooth and shiny with sparse long setae; notauli deeply impressed anteriorly and shallowly posteriorly, with sparse short setae along entire length; scutellar sulcus relatively narrow and deep, and distinctly crenulate; metanotum with strongly raised area medially; propodeum smooth, with sparse setae, but relatively densely and long setose laterally.

Wing. Length of fore wing veins SR1: 3-SR: r = 64: 45: 12; vein 1-SR+M slightly bent basally; length of fore wing veins 2-SR: 3-SR: r-m = 21: 45: 19; vein cu-a interstitial. Hind wing: length of veins SC+R1: 2-SC+R: 1r-m = 30: 6: 12; vein C+SC+R with three thickened (humular) bristles apically.

Figures Ι–9. Atanycolus grandis Wang & Chen , sp. n.: Ι head, frontal view 2 head, dorsal view 3 scapus, lateral view 4 scapus, ventral-lateral view 5 wings 6 metanotum and propodeum, dorsal view 7 metasomal tergites, dorsal view 8 metasomal tergites, lateral view 9 apex of ovipositor, lateral view.

Leg. Length of fore femur: tibia: tarsus = 50: 53: 94; length of hind femur: tibia: basitarsus = 15: 25: 9, 3.2, 10.0 and 6.1 times their maximum width, respectively; tibia of hind leg with longitudinal groove medially.

Metasoma. First metasomal tergite 1.2 times longer than its maximum apical width, strong apical dorsal carinae occupying basal 3/4 of its length; second tergite with a glabrous medio-basal triangular area and sublateral longitudinal grooves, the remainder deeply striate; third tergite with distinct carina antero-laterally, smooth and shiny medially, distinctly sculptured postero-laterally; suture between second and third metasomal tergites wide, deep and crenulate; third tergite with transverse deeply impressed groove apically; tergites four to six smooth and shiny; hypopygium acute apically, slightly extending beyond apex of metasoma; ovipositor sheath as long as fore wing, and ovipositor with ventral teeth sub-apically.

Colour. Antenna blackish; head dark yellow except for ocellar triangular area with blackish spot and maxillary palp reddish-yellow; mesosoma reddish-yellow but mesoscutum with blackish-brown spots laterally; propodeum dark brown; fore leg reddishyellow, middle and hind legs blackish-brown; wings membrane infuscated and veins blackish brown; metasomal tergites black; ovipositor sheath blackish-brown.

Variation. Paratypes similar to the holotype. Antenna with 66–69 segments. Head in dorsal view 1.6–1.7 times as broad as long. Hind femur 3.1–3.3 times as long as broad medially. Pterostigma somewhat wide, 3.1–3.2 times as long as wide; second submarginal cell of fore wing long, vein 3-SR 2.2–2.3 times as long as the 2-SR. First tergite 1.1 times as long as broad posteriorly. Second tergite distinctly longer than third tergite. Vertex pale yellow or reddish yellow; mesoscutum with blackish brown spots laterally; middle and hind legs pale yellow; ovipositor sheath yellowish brown.

Specimens examined. Holotype, ♀, West Tianmu Mountain (119°23'E, 30°18'N), Zhejiang, 2000.VII.3, Ma Yun, No. 200103596 ( ZJUH) GoogleMaps . Paratypes: 1♀, T’ienmu-Shan (119°23'E, 30°18'N), China, 1937.VII.2, O. Piel., Musee Heude ( SIPPE) GoogleMaps ; 1♀, T’ienmu-Shan (119°23'E, 30°18'N), China, 1936.VII.6, O. Piel., Musee Heude ( SIPPE) GoogleMaps ; 4♀♀, Songyang (119°29'E, 28°28'N), Zhejiang, China, 1989.VIII.16, He Jun-hua, 1989.VII.11–14, 11–21, No. 895251, 895313, 895448, 895251 ( ZJUH) GoogleMaps ; 2♀♀, Zhuchaoguan (119°30'E, 28°29'N), Songyang, Zhejiang, China, 1994.VII.17, Cai Ping, No. 944170, 944172 ( ZJUH) GoogleMaps ; 1♀, Zhuchaoguan (119°30'E, 28°29'N), Songyang, Zhejiang, China, 1994.VII.17, Xu Zai-fu, No. 944369 ( ZJUH) GoogleMaps ; 1♀, Baishanzu (119°14'E, 27°52'N), Qingyuan, Zhejiang, China, 1993.VII.30, Wu Hong, No. 945161 ( ZJUH) GoogleMaps ; 1♀, Wuyi Mountain (118°02'E, 27°46'N), Fujian, China, 1986. VI.16, Wang Jia-she, No. 870644 ( ZJUH) GoogleMaps ; 1♀, Huaping (110°2'E, 25°10'N), Longsheng, Guangxi, China, 1982. VI. 25, He Jun-hua, No. 823297 ( ZJUH) GoogleMaps ; 1♀, Longgang (108°23'E, 34°19'N), Longzhou, Guangxi, China, 1982. V.20, He Jun-hua, No. 821594 ( ZJUH) GoogleMaps ; 1♀, Ziping (114°16'E, 26°56'N), Jinggang mountain, Jiangxi, China, 1981. V.28, Liu Jin, Liu Yao, No. 340041551 ( ZJUH) GoogleMaps ; 1♀, Pingba (106°27'E, 26°42'N), Guizhou, China, 19??, Guizhou Forest Acadamy Institute, No. 801723 ( ZJUH) GoogleMaps .

Biology. Unknown.

Etymology. From latin “grandis” meaning for large, referring to large body of type specimens.

Diagnosis. This species is similar to Atanycolus crenulatus Telenga , but can be separated from the latter by having the length of body more than 10 mm; the wings infuscated (Fig. 5); ocellar triangular area with a blackish spot (Fig. 2); vein 1-SR+M of fore wing slightly bent basally (Fig. 5); propodeum with relatively dense and long setae laterally (Fig. 6); second tergite deeply striate except for smooth medio-basal triangular area (Fig. 7), and third metasomal tergite with a distinctly raised area anterolaterally (Figs 7, 8).


Mykotektet, National Veterinary Institute


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