John E. Woodmansee Photo: Tobacco hornworm on a tomato plant that has been attacked by a parasitic Braconid wasp. The white capsules on its back are the pupal stage of the tiny wasp. Braconid larvae ...

Many people use 'bug' and 'insect' interchangeably. Scientifically, insects are a broad class. True bugs are a specific order within insects, known as Hemiptera. They have unique piercing-sucking ...

Metamorphosis is a biological process whereby an animal changes from an immature form to an adult form. It involves going through distinct physiological stages, and is seen in some fish, amphibians ...

The transformation of metamorphosis evolved gradually over hundreds of millions of years. It involves both genetics and natural selection pressures on species. This insect is studied by scientists to ...