meal moth
noun
1- a small moth which infests mills, granaries, and other places where grain is stored. The larvae spin silken webs.谷螟。
1.1
- Several species in the family Pyralidae, in particular the meal moth (Pyralis farinalis) and the Indian meal moth (Plodia interpunctella).螟蛾科, 数种, 尤指紫斑谷螟（拉丁名Pyralis farinalis）和印度谷螟（拉丁名Plodia interpunctella）。