webworm
/ˈwebwɜːm/noun
1- N. Amer. a caterpillar which spins a web in which to rest or feed. When present in large numbers it can become a serious pest〈北美〉结网毛虫（数量很大时会成为严重的害虫）。
1.1
- Loxostega and other genera, family Pyralidae.网野螟属及其他属, 螟蛾科。