The life of a fruit fly consists of four phases: egg, larva, pupa and fully-formed fly. At 25 degrees, the fly embryo hatches one day after the egg is laid, and it then lives for five days as a larva.

Researchers have studied gene expression dynamics during metamorphosis in two species of flies. Published in the Genome ...

The transition from caterpillar to butterfly is a process that consists of four stages: egg, larva, pupa, and adult. Observe one caterpillar as it developments into a gorgeous winged insect.

Learn about the four stages of a mealworm's life cycle (egg, larva, pupa, adult darkling beetle) with Krystal Balmes and Sahil from the Brooklyn Preschool of Science. Let's Learn is available to ...

The pupa stage lasts about 60 days before a butterfly emerges. Home Jamaica’s Giant Swallowtail makes its home in remote areas that are typified by difficult terrain.