plural noun
Eu·​loph·​i·​dae | \ yüˈläfəˌdē \

Definition of Eulophidae

: a large cosmopolitan family of narrow-winged chalcid flies usually with 4-jointed tarsi that are parasitic as larvae in or on the larvae of various other insects

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for Eulophidae

New Latin, from Eulophus, type genus (from Greek eulophos well plumed, from eu- + lophos nape of the neck, crest) + -idae

Keep scrolling for more

Learn More about Eulophidae

Statistics for Eulophidae

Cite this Entry

“Eulophidae.” Dictionary, Merriam-Webster, Accessed 8 Jul. 2020.

Comments on Eulophidae

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?


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

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!