Disinfecting Wasp Larvae

A new study of the emerald cockroach wasp (Ampulex compressa) finds that the larvae laid on the host cockroach secrete the chemicals mullein and micromolide, both broad-spectrum antimicrobial agents that sterilize the host before it is consumed by the parasitic larvae.

New "King of Wasps" Found

A newly discovered, bizarre-looking, giant species of wasp (Megalara garuda) has been discovered in Indonesia, with males growing to about two inches long and possessing long, sickle-shaped jaws.

Wasps Recognize Faces

Researchers have demonstrated that the golden paper wasp (Polistes fuscatus) can recognize individuals of its same species from their facial markings, an ability thought to be a product of their highly social lifestyle.

Wasps Drop Ants for Food

An experiment with wild wasps in New Zealand has shown that the common wasps (not native to the islands) will pick up ants competing for a food source and drop the still-living insect a short distance away, a competitive, non-lethal behavior never before observed.