willow sawfly
Definition of willow sawfly
: any of numerous sawflies that infest the willow: such as a : a large American sawfly (Cimbex americana) whose larva is pale greenish with a black dorsal stripe b : a steel-blue sawfly (Dolerus arvensis) or a related smaller brownish fly (D. bicolor) c : a black sawfly (Nematus ventralis) whose yellow-spotted blackish larva infests also the wild cherry
Read the Latest from M-W
There's more!
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!
Seen and Heard
What made you want to look up willow sawfly? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!