walnut husk fly

noun

: any of several trypetid flies (especially Rhagoletis completa and R. suavis) whose larvae live in the husks of black and other walnuts

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now