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Revision of the genus Euscelidia Westwood, 1850 (Diptera: Asilidae: Leptogastrinae)


, : Revision of the genus Euscelidia Westwood, 1850 (Diptera: Asilidae: Leptogastrinae). African Invertebrates 44(2): 1-131

The genus Euscelidia Westwood, 1850 is revised. Sixty-eight species (55 Afrotropical, I I Oriental, 4 Palaearctic) are recognised, of which 40 are newly described: Afrotropical - acuminata, adusta, atrata, bechuana, cacula, cana, capensis, crena, erichthenii, fistula, hesperia, hyalina, insolita, kasungu, lata, longibifida. lucioides, milva, mucronata, natalensis, notialis, obtusa, obudu, peteraxi, picta, pipinna, pulchra, senegalensis, tsavo, vallis, venusta; Oriental - abbreviata, cobice, flava, glabra, lepida, livida, popa, prolata, splendida. Dolichoscius Janssens, 1953 is synonymised with Euscelidia. Four species, Dolichoscius francoisi Janssens, 1953, Leptogaster brunneus Loew, 1858, L. nenemusha Speiser, 19 10, L. ochricornis Loew, 1858, are newly combined with Euscelidia. Four species are newly synonymised, Dolichoscius longipes Janssens, 1954 with D. francoisi, Euscelidia oldroydi Lindner, 1955 and Leptogaster stigmaticalis Loew, 1852 with Leptogaster proculus Walker, 1849, and Lasiocnemus pilipes Curran, 1927 with Leptogaster datis Walker, 1849. Euscelidia piliensis Oldroyd, 1972 is transferred to Leptogaster Meigen, 1803. The status of Leptogaster setifer Frey, 1937 and L. simplex Bigot, 1878 is revised as species of Leptogaster. Redescriptions and descriptions of the genus and all species and an identification key to species are provided. The distribution, seasonality, and biology are discussed. Comments on the subfamily Leptogastrinae are given.

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