Abstract:Five new species of the genus Dichaetomyia are described from Madagascar. Two species, Dichaetomyia analama sp. n. and D. necoa sp. n. belong to the subgenus Panaga. Three other species, D. amboha sp. n., D. blackia sp. n. and D. tantelya sp. n. are members of the subgenus Dichaetomyia. The body colour in normal light conditions of the five species is predominantly yellowish or grey to dark brown or blackish like most of the Afrotropical species of Dichaetomyia.
An identification key to 20 Afrotropical Myospila Rondani, 1856, based on original descriptions and additional information, is provided, including description of a new species from Madagascar, and summary synopses of the other recognised species.
An identification key to 20 Afrotropical Myospila Rondani, 1856, based on original descriptions and additional information, is provided, including description of a new species from Madagascar, and summary synopses of the other recognised species.
Several original descriptions of the Madagascan Dichaetomyia species originating from earlier years do not correspond to today’s requirements since taxonomic characters which are used today successfully for differentiating species have received little or no attention in the past. Since the type specimens of some species were currently available for comparative studies, the descriptions of six species of the subgenus Dichaetomyia s. str. have been updated and supplemented with notes on the history of the species and some photographs.
Three new species, Coenosia circuita sp. n., Coenosia grunowiana sp. n. and Coenosia neaurifa sp. n. are described from Madagascar as new to science. The identification key to the species of the Afrotropical group “Coenosia” created in 1940 by Van Emden has been updated and considers now 14 species.
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