Any of several small insects especially aphids that feed by sucking the juices from plants.
1Aphis, you know, is the same as aphid, or plant louse.
2The name of the plant louse that infests pear trees is the pear-tree psylla.
3Their natural size is no larger than a plant louse.
4But a bee's tongue, delicate as it is, would crush a fragile plant louse.
5How does the squash bug resemble the plant louse?
6They are supposed to feed also on other vegetable-eating insects as well as the plant louse.
7The aphis, or plant louse, often covers the young shoots of the vine, sucking its juices.
8The plant louse could produce in its twelfth brood 10,000,000,000,000,000,000,000 offspring.
9Throughout the winter a single chickadee will destroy great numbers of the eggs of the cankerworm moth and of the plant louse.
10They are so small, each one no larger than a plant louse, that you would not think they could do much harm.
Translations for plant louse