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- 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).
Medium to large size. Temple without pale yellowish streak behind eye. Pronotum robust without transverse protuberance. First subdiscal cell of fore wing 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; vein 1-M and vein 2-SR straight or nearly so. Hind wing without trace of vein cu-a. Hind coxa without dorsal tooth; hind femur with two distinct teeth; hind tibia narrowed basally and inner side usually with wide sub-medical depression, evenly rounded ventrally and without oblique striae or rugae on the outer sides; hind tarsus with three tarsomeres. Sternite I not differentiated from tergite I. Tergite I 4.2–17.6 × as long as its apical width, cylindrical, distinctly longer than tergite II; tergite II more or less petiolate and sculptured basally. Ovipositor sheath with ivory subapical band.
Cosmopolitan. The distribution of Chinese species is illustrated in Fig. 20.
Megischus specimens are still poorly collected. The known diversity in China compared with the diversity outside China is low and higher numbers of species can be expected.
- Ge, S; Shi, H; Ren, L; Tan, J; 2021: Description of a new species of Megischus Brullé (Hymenoptera, Stephanidae), with a key to the species from China ZooKeys, 1022: 65-77. doi
- Viereck H (1914) Type Species of the Genera of Ichneumon Flies. Bulletin of the United States National Museum 83, [I–V +] 186 pp. https://doi.org/10.5479/si.03629236.83.1
- van Achterberg C (2002) A revision of the Old World species of Megischus Brullé, Stephanus Jurine and Pseudomegischus gen. nov., with a key to the genera of the family Stephanidae (Hymenoptera: Stephanoidea).Zoologische Verhandelingen Leiden339: 1–206.
- Aguiar A, Johnson N (2003) Stephanidae (Hymenoptera) of America North of Mexico.Proceedings of the Entomological Society of Washington105(2): 467–483.
- Madl M (1991) Zur Kenntnis der paläarktischen Stephanidae (Hymenoptera, Stephanoidea).Entomofauna12: 117–126.