石蛾属昆虫纲毛翅目Trichoptera，成虫称为石蛾，幼虫叫石蚕。石蛾幼虫生活在湖泊和溪流中，偏爱较冷而无污染的水域，其生态适应性相对较弱，是显示水流污染程度的较好的指示昆虫。石蛾又是许多鱼类的主要食物来源，在流水生态系统的食物链中占据重要位置。
n. caddisfly
misc. phryganeid ; trichopteron
例如石蛾等任何一种其他会飞的昆虫。
Any of various other flying insects, such as the caddis fly.
堆沙蠕虫分泌出一种胶状物将沙石粘合在一起形成壳装，这一点类似于淡水石蛾的幼虫。
Instead, it secretes a glue and USES this to stick bits of sand together to form its casing, in the way that a freshwater caddis fly larva does.
暖暖的阳光唤醒了沉睡在水底的虹鱼和凶猛的鳟鱼，石蛾也在水面上跳起了它古怪的舞蹈。
The warmth of the sun raised the water temperature enough to awaken the rainbow and cutthroat trout that slept, and the caddis flies were dancing their erratic dance, here and there, over the water.
应用推荐