bollworm
/ˈbəʊlwɜːm/noun
1- a moth caterpillar which attacks the cotton boll, in particular螟蛉,尤指：
1.1
pink bollworm
a small moth which is a serious pest of the North American cotton crop (Pectinophora gossypiella, family Gelechiidae)红蛉麦蛾（拉丁名Pectinophora gossypiella,麦蛾科）。
1.2
- （亦作cotton bollworm）another term for CORN EARWORM.