blackfly

noun
UK /ˈblækflaɪ/
US /ˈblækflaɪ/

A blackfly is a tiny dark fly that bites people and animals.

A blackfly landed on my arm and bit me.


OTHER MEANINGS

2. A small black aphid that damages plants.

Blackfly covered the young bean plants.

3. Any of various small dark flies.

The pond was buzzing with blackflies.

4. A dark-colored fly used in fishing.

He tied a blackfly onto his line.