The terms "bug" and "insect" are commonly used interchangeably in everyday language, yet scientifically, they refer to ...

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 ...

They undergo big body changes to become adults. An insect that does that is holometabolous. “Millions of years ago, holometabolous insects split up their duties between the immatures and the adults,” ...