@article {1991, title = {Attraction of a kleptoparasitic sphaerocerid fly (Norrbomia frigipennis) to dung beetles (Phanaeus spp. and Canthon sp.)}, journal = {Insect behaviour}, volume = {9}, year = {1996}, pages = {695-708}, type = {article}, keywords = {beetles, kleptoparasitism, Sphaeroceridae}, author = {Peterson, E. and Sivinski, J.} }