noun
wooly apple aphid
A specific pest of apple trees, Eriosoma lanigerum. The name literally means 'apple cotton insect', referring to the fluffy white wax it produces.
りんごわたむしは、りんごの木に白い綿のようなものをつける害虫です。
The wooly apple aphid is a pest that attaches white cotton-like substances to apple trees.
Compound of りんご (apple) + わた (cotton) + むし (insect), from the cottony wax it produces.