Dibrachys confusus (Girault, 1916), new record to China

Jiao, Tian-yang, Yao, Qin-ying & Xiao, Hui, 2017, Review of Dibrachys Foerster from China (Hymenoptera, Chalcidoidea, Pteromalidae), ZooKeys 656, pp. 123-149 : 133

Dibrachys confusus (Girault, 1916), new record to China Figs 19-22

Coelopisthia confusus Girault, 1916a: 246.

Dibrachys confusus (Girault): Peck 1951: 554; Grissell 1974: 318; Burks 1979: 828.

Diagnosis.

Body slightly slender (Figs 19, 20), about 2.6 mm. Head in frontal view (Fig. 21) 1.15 × as wide as high; antennal scrobe extending upwards and not reaching anterior ocellus; antennal insertion slightly above lower ocular line; lower face flat; clypeus with transverse striation and lower margin protruding, emarginate with two blunt teeth. Antennal scape slightly shorter than eye height (0.91 ×) but reaching lower margin of anterior ocellus; length of pedicel and flagellum combined shorter than head width; anelli transverse; each funicular segment slightly longer than its broad respectively. Head in dorsal view with width 2 × length; eye length 1.87 × temple length; POL 1.46 × OOL. Mesosoma 1.43 × as long as broad, mesoscutum with regular sculpture. Propodeum with median carina complete (Fig. 22), plicae complete and parallel anteriorly. Fore wing 2.38 × as long as broad; submarginal vein 2.37 × as long as marginal vein; marginal vein 1.72 × as long as postmarginal vein; stigmal vein as long as postmarginal vein. Gaster 2 × as long as broad, narrower than thorax width.

Material examined.

China: 3♀, Beijing: Yuanmingyuan Imperial Garden, 2.VI.1984, ex. larvae of Lymantria dispar (L.), leg. Ding-Xi Liao.

Hosts.

De Santis (1983) reported Megachile rotundata (Fabricius) ( Hymenoptera : Megachilidae ) as a host and here we record the larvae of Lymantria dispar (L.)( Lepidoptera : Lymantriidae ).

Distribution.

China (Beijing); Palearctic, Nearctic and Neotropical regions.