Deer flies, sometimes grouped with horseflies or moose flies, are small flying insects with painful bites found all over the world. This kind of fly is persistent and leaves behind annoying, itchy ...

Fruit flies go through a whole series of transitions between life stages, as shown here. The larval molts are called instars. The mature larva forms a prepupa, and then a pupa, which undergo ...

The life cycle of a bird or mammal is relatively simple. Once it is born, or hatched, development proceeds directly to an adult form. All along the way, although there are developmental changes, you ...

Flesh flies (Sarcophagidae) collected in Costa Rica and Panama lack the pupal diapause that is characteristic of flesh flies from the temperate zone and tropical Africa. The absence of a diapause ...

Researchers using Drosophila have identified a steroid hormone that triggers a vital transition in early brain development in which neural stem cells properly change gears to produce different kinds ...

Fish fly season has begun, bringing thousands, if not millions, of the winged insects to swarm the backyards, screen doors and car windows of metro Detroiters. Fish flies are considered by many to be ...