Insects may have complete or incomplete (simple) metamorphosis. The life cycle of insects with complete metamorphosis includes egg, larva, pupa, and adult. Eggs hatch to give rise to a worm-like larva ...

Nourished by the fluid, they burst into furious growth, constructing within the larva’s old skin an entirely new insect: the hibernating pupa. Later, a similar burst of growth turns the pupa ...

killing the pupa along with the ant-killing fungus, Metarhizium brunneum, that had infected it. The behavior evolved in social insects such as ants, honeybees, and termites to protect colonies from ...

The larva of an insect makes a hormone which keeps it from changing into a pupa until it has reached its full growth. Recent experiments with this substance have produced both dwarf and giant ...

Butterflies and caterpillars frequently host parasitoids, insects that attack and destroy their hosts, sometimes eating them alive. These are usually wasps, laying their own eggs inside an egg, ...