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.

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.

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