blackfly

noun (plural same or blackflies)

• 1a black or dark green aphid which is a common pest of crops and gardens.

  • Several species in the family Aphididae, in particular Aphis fabae

• 2 (also black fly) a small black fly, the female of which sucks blood and can transmit a number of serious human and animal diseases.

  • Family Simuliidae: Simulium and other genera