Megischus Brulle , 1846

Ge, Si-Xun, Ren, Li-Li & Tan, Jiang-Li, 2022, First discovery of Megischus Brulle (Hymenoptera, Stephanidae) in Ryukyu Islands, with description of a new species, Journal of Hymenoptera Research 91, pp. 309-320 : 309

Genus Megischus Brulle, 1846

Megischus Brullé, 1846: 537. Type species (designated by Viereck 1914): M. annulator Brullé, 1846 [= M. furcatus (Lepeletier & Serville, 1825)].

Megischus Brullé, 1846: van Achterberg 2002: 53-168; Aguiar and Johnson 2003: 469-482.

Bothriocerus Sichel, 1860: 759. Type species: Bothriocerus europaeus Sichel, 1860 (by monotypy) (= Stephanus anomalipes Foerster, 1855, according to Madl 1991).

Diagnosis.

Medium to large size. Temple without pale yellowish streak behind eye. First subdiscal cell comparatively narrow basally, approximately as wide as first discal cell or narrower; vein 1-SR of fore wing differentiated with first discal cell present because of presence of vein 1-SR+M; veins 1-M and 2-SR straight or nearly so. Dorsal tooth of hind coxa absent; hind femur with two distinct teeth; hind tibia narrowed basally and inner side usually with wide sub-medial depression, without oblique striae or rugae on outer side; hind tarsus with three tarsomeres. Metasomal sternum I united with tergum I; Ovipositor sheath with ivory subapical band.

Distribution.

Cosmopolitan.