Article: GARDENING : PARASITIC WASPS TO THE RESCUE.(L.A. LIFE)

Byline: Joshua Siskin

Anyone who doubts the existence of a ubiquitous, protective, yet invisible presence in the universe should consider the phenomenon of parasitic wasps. Parasitic wasps, a group of which could stand together on the head of a pin, make it possible to grow crops. Were it not for these minute, beneficial insects, crop destroyers such as aphids, scales, whiteflies, and mites would wreak havoc on every orchard and field planted under the sun.

Parasitic wasps are not true parasites. A parasite lives off another organism without killing it. Parasitic wasps, on the other hand, cannibalize their insect hosts. To distinguish them from truly ...

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