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On the Ethiopian fruit-flies of the genus Dacus

Published online by Cambridge University Press:  10 July 2009

M. Bezzi
M. Bezzi
Affiliation:
Turin, Italy.
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Extract

The rather numerous Ethiopian species of Dacus (s.l.) are very homogeneousowing to their reduced chaetotaxy and the very simple pattern of the wings; they have no praescutellar bristles, only a scutellar pair, and very often only twosupra-alar bristles, the anterior one being wanting. There are no species with astalked abdomen, or with spinose femora, or with elongated antennae, or withbanded wings.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 6 , Issue 2 , September 1915 , pp. 85 - 101
Copyright
Copyright © Cambridge University Press 1915

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References

page 85 note * This sexual dimorphism was first described by Prof. de Meijere (Tijdschr. Entom., xli, 1908, p. 127) and subsequently by Hendel (Supplem. entom., i, 1912, p. 13), both working on Oriental species. But there are some true Chaetodacus without this lobe, such as C. garciniae, Bezzi, and C. bipustulatus, Bezzi; C. cucumis, French, has no lobe, but also no praescutellar or anterior supra-alar bristles, and is therefore a true Dacus (s. str.).

page 87 note * Of these spots, one is on the hypopleura and the other is on the sides of the mesophragma ; this latter only may be absent.