您要查找的是不是：
- larval mesoderm 幼虫中胚层
- I think this worm is a larva of a butterfly. 我觉得这虫子是蝴蝶的幼虫。
- A caterpillar is the larva of a butterfly. 毛虫是蝴蝶的幼体。
- The tadpole is the larva of the frog. 蝌蚪是青蛙的幼体。
- It shows the metamorphosis of a larva into a butterfly. 它展示了从幼虫变成蝴蝶的过程。
- A larva metamorphoses into a chrysalis and then into a butterfly. 幼虫变为蛹，然后再变成蝴蝶。
- A worm or an insect larva that bores into wood. 蛀虫钻在木头里的蠕虫或昆虫幼虫
- The warble fly, especially in its larval stage. 皮瘤蝇、皮瘤蝇幼虫皮瘤蝇，尤指尚处于幼虫阶段的
- The parasitic larva of a botfly. 马胃蝇蛆马蝇的寄生性幼虫
- Promotes growth for larval shrimp and fish fries. 促进鱼虾苗发育。
- The larva or pupa of a mosquito. 孑孓蚊子的幼虫或蛹
- An insecticide designed to kill larval pests. 杀幼虫剂用于杀死害虫幼虫的杀虫剂
- Mice without the Nodal gene will die due to the lack of mesoderm. Nodal基因缺失的小鼠由于没有中胚层的形成导致死亡。
- Tail end of third stage larva of S. 尾端微凹陷。
- A caterpillaris the larva of a butterfly. 毛虫是蝴蝶的幼体。
- Larva of the wasp f with 4instars. 幼虫共4龄，咀食寄主组织，只残留头壳，老熟幼虫作茧越冬。
- Moth larva eats foliage of beets and vegetables. 蛾子的幼虫吃甜菜和蔬菜的叶子。
- The larva hatches out and lives in the soil. 幼虫孵化之后就在土壤里生活。
- The egg hatches into a larva (caterpillar). 卵孵化成了幼虫（毛虫）。
- It has no legs.Later the larva turns into a pupa. 它没有腿。接着幼虫变成蛹。
