mature larvae的意思|示意

The beetle attacks mature trees only; its larvae ultimately kill the tree by feeding under its bark.

山松甲虫只寄生于成年树木，它的幼虫会通过取食树皮下的组织最终杀死树木。

Mature larvae usually leaves the victim or the back of the leaves, petioles, veins and weeds on a thin silk cocoon so pupation, pupal stage 5-15 days.

老熟幼虫一般在被害叶片背面或枯叶、叶柄、叶脉及杂草上吐丝做薄茧化蛹，蛹期5 - 15天。

The mature bee larva pictured above is from a species that attacks the larvae of other bee species, removes them from the nest, and takes their place to be raised by the unknowing host mother.

上图中已经成熟的蜜蜂幼虫正在攻击其他蜜蜂品种的幼虫，在将这些受害者从巢里移走之后，这些幼虫占据了巢穴，接受蒙在鼓里的宿主母亲的喂养。