bag.worm

n.（名詞）
Any of several moths of the family Psychidae, which construct fibrous cases of silk spun together with leaves, twigs, or grass. The plant-feeding larvae and wingless adult females live in these cases.
蓑蛾蟲(chóng)：一種蓑蛾科的蛾或蛀蟲(chóng)，它用葉子、嫩枝和草共同織成的絲建造一個(gè)纖維質(zhì)的殼，食草幼蟲(chóng)和沒(méi)有翅膀的成年雌蟲(chóng)生活在這些殼里