n.moth having nonfunctional mouthparts as adults; larvae feed on tree foliage and spin egg-shaped cocoons
同义词：egger
英汉双解大词典
egger(alsoeggar)
1.
N（名词）
any of various widely distributed moths of the family Lasiocampidae, such as Lasiocampa quercus (oak egger) of Europe, having brown bodies and wings 食叶蛾