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。
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。
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。
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