A contribution to the knowledge of the botflies, Gastrophilus intestinalis, deg., G. Haemorrhoidalis, L., and G. Nasalis, L. - Hadwen, Seymour
Encuadernado con: further studies on encylostoma braziliense and the biology of creeping euroption/by Walter E. Doven
Keywords: Dípteros; Gasterophilus haemorrhoidalis; Gasterophilus intestinalis; Gasterophilus nasalis