#gnat  any of various small biting flies: midges; biting midges; black flies; sand flies
  supertype:  dipterous_insect__dipterousinsect__two-winged_insects__dipteran__dipteron  insects having usually a single pair of functional wings (anterior pair) with the posterior pair reduced to small knobbed structures and mouth parts adapted for sucking or lapping or piercing
  subtype:  punkie__punky__punkey__no-see-um__biting_midge  minute two-winged insect that sucks the blood of mammals and birds and other insects
  subtype:  midge  minute two-winged mosquito-like fly lacking biting mouthparts; appear in dancing swarms especially near water
  subtype:  psychodid  a fly of the family Psychodidae
  subtype:  sand_fly__Phlebotomus_papatasii  blood-sucking females can transmit sandfly fever
  subtype:  black_fly__blackfly__buffalo_gnat__buffalognat  small blackish stout-bodied biting fly having aquatic larvae; sucks the blood of birds as well as humans and other mammals

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