rosy apple aphid

noun

variants or less commonly rosy aphid

: a pinkish or purplish plant louse (Dysaphis plantaginea) which feeds on the foliage and fruit of the apple and whose summer generations occur on plantain

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