Definitions

Scoliidae

Scoliidae

Scoliidae, the scoliid wasps, is a small family represented by 6 genera and about 20 species in North America, but they occur worldwide, with a total of around 300 species. They tend to be black, often marked with yellow or orange, and their wing tips are distinctively corrugated. Males are more slender and elongate than females, with longer antennae, but the sexual dimorphism is not as extreme as is common in the Tiphiidae, a closely-related family.

Scoliid wasp larvae act as important biocontrol agents, feeding upon beetle larvae in the ground, including the serious pest, the Japanese beetle. Adult wasps may be minor pollinators of many wildflowers.

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