Dibrachys kojimae (Ishii, 1938)

Jiao, Tian-yang, Yao, Qin-ying & Xiao, Hui, 2017, Review of Dibrachys Foerster from China (Hymenoptera, Chalcidoidea, Pteromalidae), ZooKeys 656, pp. 123-149 : 127-129

Dibrachys kojimae (Ishii, 1938) Figs 5-9

Euterus kojimae Ishii, 1938: 100.

Dibrachys kojimae (Ishii): Kamijo 1982: 74.

Diagnosis.

Body length 2.5-3.2 mm (Figs 5, 9). Head in frontal view (Fig. 6) 1.31 × as wide as high; sculpture on lateral area of antennal scrobe distinctly larger than on vertex and face; lower margin of clypeus not protruded, slightly emarginate in median; gena evenly curved, lower angle of gena not exceeding clypeal margin. Antenna with scape shorter than eye height (0.81 ×); length of pedicel and flagellum combined less than head width (0.94 ×); anelli transverse and second anellus longer than first anellus; Fu1-Fu3 slightly long than wide, Fu4-Fu6 subquadrate. Head in dorsal view (Fig. 7) 2 × as wide as long; eye length 1.67 × temple length, POL 1.33 × OOL. Mesosoma 1.32 × as long as broad; with regular sculpture. Propodeum (Fig. 8) with incomplete median carina and complete plica. Fore wing with submarginal vein 2.3 × as long as marginal vein; marginal vein 1.6 × as long as postmarginal vein, 1.8 × as long as stigma vein; stigmal vein slightly shorter than postmarginal vein (0.9 ×). Gaster 1.2 × as long as broad, slightly broader than thorax width.

Material examined.

China: 2♂, 16♀, Beijing: Miyun Reservoir, 10-20.VII.1983, ex. pupae of Dendrolimus tabulaeformis Tsai et Liu, leg. Ju-Wen Wu; 7♀, Henan: Fangchen, Dalai, VIII. 1983, ex. pupae of Dendrolimus tabulaeformis Tsai et Liu, leg. De-Long Shui; 1♂, 11♀, Anhui: Dongzhi, 1983, ex. pupae of Dendrolimus , leg. Ding-Xi Liao; 2♂, 3♀, Anhui: Dongzhi, 7.V.1983, ex. Dendrolimus punctatus Walker, leg. Ding-Xi Liao; 3♀, Anhui: Qianshan, Tianzhu Mountain, 4.IX.1976, ex. pupae of Dendrolimus , leg. Tao-Qian Hou; 1♀, Hubei: Wuhan, 25.VI.1980, ex. Dendrolimus punctatus (Walker), leg. Tao-Qian Hou; 4♀, Hunan, 25.X.1979, ex. pupae of Pieris brassicae L., leg. Ding-Xi Liao; 1♂, 7♀, Hunan: Chengbu, 16. VIII.1986, ex. pupae of Dendrolimus kikuchii Matsumura, leg. Zheng-Mao Li; 10♂, 15♀, Hunan: Daoxian, 29.XII.1979, ex. eggs of Lebeda nobilis Walker, leg. Ding-Xi Liao; 1♂, 5♀, Hunan: Daoxian, 12.XI.1973, ex. eggs of Lebeda nobilis Walker, leg. Xin-Wang Tong; 2♀, Guangxi: Nanning, VI.1975, ex. Eggs of Dendrolimus , leg. Lin Wei; 2♀, Guizhou: Anshun, 25.X.1980, ex. pupae of Dendrolimus houi Lajonquiere, leg. Jin-Rong Zhou; 6♀, Yunnan: Baoshan, 21.v.1975, ex. Dendrolimus , leg. Ding-xi Liao; 1♀, Tibet: Mêdog, 1100m, 26.I.1983, leg. Yin-Heng Han.

Hosts.

Kamijo (1982) reported Dendrolimus spectabilis Butler ( Lepidoptera : Lasiocampidae ) as a host and here we report Dendrolimus tabulaeformis Tsai et Liu, pupae/eggs of Dendrolimus , Dendrolimus punctatus (Walker), Dendrolimus kikuchii Matsumura, Dendrolimus houi Lajonquiere, Lebeda nobilis Walker ( Lepidoptera : Lasiocampidae ) and Pieris brassicae L. ( Lepidoptera : Pieridae ).

Distribution.

China (Beijing, Anhui, Jiangxi, Henan, Hunan, Guangxi, Guizhou, Yunnan, Tibet); Japan.