Forget needy teenagers – the pros of manipulative behaviour are parasitoid wasps. Having partially developed inside caterpillars, the larvae of the wasps manipulate their hosts into watching over them ...

Tomato hornworms, Manduca quinquemaculata, are large green caterpillars that devour tomato plants along with other nightshades including peppers, potatoes, and eggplant. A tomato hornworm can grow up ...

I saw your recent column about tomato fruitworms, and was wondering if this pest also eats leaves. The leaves of one of my tomato plants are being eaten by something. A couple of the branches now have ...

The Glyptapanteles wasp, also widely known as the voodoo wasp, impregnates a caterpillar with about 80 eggs at a time. Once the eggs hatch, the wasp larvae feed on the caterpillar’s body fluids, which ...

This tiny wasp is natural pest control for the hornworm caterpillar, bane of summer gardeners. Tomato growers know the tobacco hornworm can destroy a plant overnight. But a tiny natural ally helps ...