Abstract
The great contribution of A. J. Hesse to the knowledge of the Afrotropical Bombyliidae, included the description of 17 new species of Crocidium Loew. Despite the very detailed descriptions of the external morphology, data on the spermatheca and male genital segments were not always included. The present contribution includes the description of the male genitalia and spermathecae of species described by Hesse: C. costilabre, C. dichopticum, C. lactipenne, C. microstictum, C. namaquense; the male genitalia of C. tinctipenne and the spermatheca of C. chrysonotum, C. dasypolium, C. karooanum, C. nitilabre, C. phaenochilum, C. phaeopterale and C. pterostictum.References
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