Blackfly
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A black or dark green aphid (Aphis fabae) that is a common pest of agricultural crops.
- 2 small blackish stout-bodied biting fly having aquatic larvae; sucks the blood of birds as well as humans and other mammals wordnet
- 3 Any of various small black bloodsucking flies of the family Simuliidae.
"According to Bonnie Louison, […] Axel made a mistake when she didn't consult western Massachusetts women about the time and place of the event. Louison said that Axel didn't realize that June is black fly season, that the area is in the grip of a severe drought, […]"
- 4 blackish aphid that infests e.g. beans and sugar beets wordnet
Example
More examples"According to Bonnie Louison, […] Axel made a mistake when she didn't consult western Massachusetts women about the time and place of the event. Louison said that Axel didn't realize that June is black fly season, that the area is in the grip of a severe drought, […]"
Etymology
From black + fly.
More for "blackfly"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.