Yellow-headed Scoliid vs Corn Flea Beetle

Side-by-side species comparison

Attribute Yellow-headed Scoliid Corn Flea Beetle
Scientific Name Campsomeriella annulata Chaetocnema pulicaria
Order Hymenoptera Coleoptera
Family Scoliidae Chrysomelidae
Size 20-30 mm 1.5-2 mm
Habitat Farmland Farmland
Diet Parasitoids Herbivores
Regions South Asia, Southeast Asia North America
Conservation Least Concern Least Concern

Yellow-headed Scoliid

A large dark wasp with prominent yellow head markings and smoky wings. It is a parasitoid of large scarab beetle grubs in tropical Asian soils.

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Did You Know?

It has been used in biological control programs against coconut rhinoceros beetles threatening palm plantations.

Corn Flea Beetle

A very small, shiny black to bronze flea beetle with a compact, oval body. It vectors Stewart's wilt bacterium, making it both a direct and indirect pest of sweet corn.

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Did You Know?

The severity of Stewart's wilt in a given year can be predicted by winter temperatures, since cold winters reduce overwintering beetle populations.