oa Journal of the Entomological Society of Southern Africa - Taxonomic studies on some African Hyphydrus (Coleoptera: Dytiscidae)
Hyphydrus malawiensis spec. nov., H. nigeriensis spec. nov., and H. inopinatus spec, nov. are descriptionbed, with notes on seven other species in the same subgenus (Apriophorus), one of which, H. circularis Rï¿½g., is sunk in synonymy with H. cycloides Rï¿½g.; a key to the males of all nine species is provided. Additional features of the male of H. fuscus O.-C. are descriptionbed. In the subgenus Allophydrus, H. residuus spec. nov. is descriptionbed and distinguished from H. grandis Cast. and H. caffer Boh
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