Ipodoryctes hebeiensis Tang & Chen

Tang, Pu, Zhu, Lan-Lan, He, Jun-Hua & Chen, Xue-Xin, 2011, The genus Ipodoryctes Granger, 1949 (Hymenoptera: Braconidae, Doryctinae) from China, Zootaxa 2784, pp. 1-19 : 7-9

Ipodoryctes hebeiensis Tang & Chen , sp. nov.

( Fig. 19–26 )

Description. FEMALE. Body length 4.5 mm; fore wing length 3.5 mm. Head. Width 1.4 times its median length. Antennae slender, almost filiform, with more than 17 segments (apical segments missing). Scapus 1.3 times as long as maximum width. First flagellar segment 4.3 times as long as its apical width, almost as long as second segment. Head behind eyes roundly narrowed in dorsal view. Eye 1.8 times as long as temple in dorsal view. Ocelli mediumsized, in triangle with base 1.3 times its sides. POL: OD: OOL= 4: 3: 6. Vertex smooth, with very sparse, short setae. Frons finely transversely striate. Eye glabrous, 1.3 times as high as broad. Face distinctly striate in median part, distinctly punctate laterally, its width 0.9 times height of eye, 1.2 times height of face and clypeus combined. Malar space 0.2 times height of eye, 0.6 times basal width of mandible. Malar suture absent. Occipital carina complete dorsally, fused with hypostomal carina ventrally.

Mesosoma. Length almost twice as long as its height. Pronotal carina fine, widely separated medially from posterior margin of pronotum; distances from carina to anterior and posterior margins of pronotum subequal. Mesoscutum entirely densely and evenly pubescent, densely rugulose-striate, with fine and dense ground granulation, with two subparallel carinae in medioposterior 1/4, highly and roundly raised above pronotum; its median lobe without median depression. Notauli deep, complete, crenulate. Scutellum almost smooth. Prescutellar depression deep, with three carinae, smooth between carinae, 0.2 times as long as scutellum. Mesopleura smooth, striate in upper third. Precoxal sulcus deep, long, almost smooth, but shallow apically, running along entire lower part of mesopleuron, connected with prepectal carina. Prepectal carina distinct, wide ventrally, without widened lobes opposite to fore coxa. Propodeum with median carina in basal half; basolateral areas distinctly marginate, almost smooth; areola distinct, marginate.

Wings. Fore wing 3.5 times as long as maximum width. Vein r arising from the middle of pterostigma. 3-RS forming very obtuse angle with r. 3-RS: r: SR1= 18: 6: 32. Second submarginal cell long, 3.3 times as long as maximum width, 1.4 times as long as first subdiscal cell, 0.9 times as long as first discal cell. 1-SR+R distinctly Scurved. m-cu interstitial. 1-CU1 almost equal to cu-a. CU1a arising from anterior 1/3 of distal margin of first subdiscal cell. Hind wing vein M+CU 0.7 times as long as vein 1-M. m-cu weakly curved, slightly antefurcal, pigmented.

Legs. Hind coxa almost smooth except for some fine striation apically in dorsal view. Hind femur smooth except striate dorsally, 3.3 times as long as wide, with distinct dorsal protuberance. Hind tibia with long, dense setae dorsally. Hind tarsus 1.2 times as long as hind tibia. Hind basitarsus 0.9 times as long as second–fifth segments combined; second tarsal segment 0.4 times as long as basitarsus, 1.4 times as long as fifth segment (except pretarsus).

Metasoma. Length 1.3 times as long as mesosoma and head combined, with six visible tergites. First tergite with distinct dorsal carinae, and entirely striate, with rugosity between striation, its apical width of first tergite 1.8 times its minimum width; its length 1.3 times its maximum width. Second tergite striate, with rugosity between striation; without distinct basal area, with a distinct apical area, apical area smooth in anterior half. Median length of second tergite (with apical area) 1.1 times its basal width, 2.8 times as long as length of third tergite. Second suture deep and uniformly curved. Third–fifth tergites longitudinally striate and without additional rugosity, smooth apically. Sixth tergite moderately large, densely and concentrically striate in posterior half, but smooth medially, with median emargination. Ovipositor sheath 1.5 times as long as metasoma and 1.1 times as long as fore wing.

Colour. Body black, mesosoma reddish apically and laterally. Antennae light brown to black. Palpi pale yellow. Legs light brown; hind coxa reddish brown; hind femur brown. Wings faintly infuscate. Pterostigma dark brown, lighter basally and apically.

Male. Unknown.

Material examined. Holotype. Ƥ, China, Hebei Prov., Xiaowutaishan, Yangjiaping (39°50ʹN, 114°35ʹE), 20.VIII.2005, Shi Min, No. 200607799 ( ZJUH).

Distribution. China (Hebei).

Etymology. From the Hebei province, type locality of the species.

Diagnosis. This new species is similar to I. nitidus Belokobylskij , but differs in having the precoxal sulcus running along entire lower part of mesopleuron, sixth tergite with median emargination, and frons with some finely transverse striation.

Figures

FIGURES 19 – 26. Ipodoryctes hebeiensis sp. nov. 19, habitus, lateral aspect; 20, first – fifth abdominal tergites, dorsal aspect; 21, head, frontal aspect; 22, head, dorsal aspect; 23, fore and hind wings; 24, mesosoma, lateral aspect; 25, sixth abdominal tergites, dorsal aspect; 26, metasoma, lateral aspect. Scale bar 5.0 mm