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.
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。
Unless an infected larva kills the wasp egg, it hatches and the wasp larva eats its way out from inside the fruit fly larva, killing it.
除非受感染的果蝇幼虫杀死黄蜂卵，否则当黄蜂卵孵化出来后，黄蜂幼虫将会由内而外吞噬果蝇幼虫，将其杀死。
The aquatic, wormlike larva of the caddis fly, enclosed in a cylindrical case covered with grains of sand, fragments of shell, and other debris.
水生的，石蚕蛾的蠕虫状幼虫，包在被沙粒、卵壳碎片以及其它碎片盖住的柱形盒内。
An abscessed boillike swelling on the back of cattle, deer, and certain other animals, caused by the larva of a warble fly.
的翻译是：在牛，鹿背面的脓肿的boillike膨胀和某些其他动物，造成由皮蝇的幼虫。
An abscessed boillike swelling on the back of cattle, deer, and certain other animals, caused by the larva of a warble fly.
的翻译是：在牛，鹿背面的脓肿的boillike膨胀和某些其他动物，造成由皮蝇的幼虫。
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