lappet : Idioms & Phrases
lappet caterpillar
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noun larva of a lappet moth
WordNet
Lappet moth
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noun medium-sized hairy moths; larvae are lappet caterpillars
lappet.
WordNet
(Zoöl.) , one of several species of bombycid moths, which have stout, hairy caterpillars, flat beneath. Two common American species (Gastropacha Americana , andTolype velleda ) feed upon the apple tree.