. . . . _:b70015799 . "1990"^^ . "Rotheray, G. 1990. The relationship between feeding mode and morphology in Cheilosia larvae (Diptera, Syrphidae). Journal of Natural History, 24(1): 7-19." . _:b70015799 . "Rotheray (1990)" . "Rotheray (1990)" . "10.1080/00222939000770021" . . _:b70015799 "10.1080/00222939000770021" . _:b70015799 . "1990"^^ .