any of various small biting flies: midges; biting midges; black flies; sand flies
source: WordNet 3.0
(British usage) mosquito
source: WordNet 3.0
A blood-sucking dipterous fly, of the genus Culex, undergoing a metamorphosis in water. The females have a proboscis armed with needlelike organs for penetrating the skin of animals. These are wanting in the males. In America they are generally called mosquitoes. See Mosquito.