onion fly

noun

Definition of onion fly

1 : a dipterous insect of the family Anthomyiidae whose larva feeds on onion bulbs especially : an originally European insect (Hylemya antiqua) now widely distributed in America

2 : an insect (Tritoxa flexa) of the family Otitidae with habits like those of the onion fly

— called also black onion fly

Learn More about onion fly

Dictionary Entries near onion fly

Statistics for onion fly

Look-up Popularity

Comments on onion fly

What made you want to look up onion fly? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

superjacent

lying above or upon

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

Boreal comes from the name of the ancient Greek god of which wind?

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ

SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Words at Play

Ask the Editors

Word Games