Yeates, David K.Irwin, Michael E.2005-10-062005-10-061992http://hdl.handle.net/2246/500025 p. : ill., 1 map ; 26 cm.Includes bibliographical references (p. 23-25)5717032 bytesapplication/pdfen-USQL1 .A436 no.3036 1992Heterotropus gilvicornis.Heterotropus posthos.Heterotropus stuckenbergi.Insects -- South Africa.Three new species of Heterotropus Loew (Diptera, Bombyliidae) from South Africa : with descriptions of the immature stages and a discussion of the phylogenetic placement of the genus. American Museum novitates ; no. 3036text