Systematic Notes on Species of Callosobruchus of Economic Importance

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Abstract
The Cowpea Weevil, Callosobruchus chinensis (L.), has been distributed by commerce and now breeds throughout most of the tropics and sub-tropics, although in the southern part of Africa it is replaced by C. rhodesianus (Pic). The systematics of both species are discussed and redescriptions given of them and of C. subinnotatus (Pic), formerly regarded as a variety of Bruchus vicinus Gylh., together with an account of the genitalia of both sexes, and Tables distinguishing the first two species from one another and the third from the closely related species, C. maculatus (F.).

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