red-humped caterpillar


Definition of red-humped caterpillar

: a variably but predominantly black and yellow striped gregarious caterpillar with the head and dorsally humped fourth body segment bright red that is the larva of a notodontid moth (Schizura concinna) and is an important pest on various deciduous trees in North America

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!

Learn More about red-humped caterpillar

Share red-humped caterpillar

Statistics for red-humped caterpillar

Look-up Popularity

Comments on red-humped caterpillar

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


to express emotion in a dramatic way

Get Word of the Day daily email!

Test Your Vocabulary

What did you just call me?! A Quiz

  • rows-of-various-emoji
  • If a member of the audience describes your speech as bombastic, does that person mean it is:
Spell It

Can you spell these 10 commonly misspelled words?

Word Winder's CrossWinder

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!