Western Corn Rootworm vs Mount Hermon June Beetle

Side-by-side species comparison

Attribute Western Corn Rootworm Mount Hermon June Beetle
Scientific Name Diabrotica virgifera Polyphylla barbata
Order Coleoptera Coleoptera
Family Chrysomelidae Scarabaeidae
Size 5-7 mm 2-3 cm
Habitat Farmland Beaches & Coastal
Diet Root Feeders Herbivores
Regions North America, Europe United States
Conservation Not Evaluated Endangered

Western Corn Rootworm

One of the most economically damaging corn pests in North America. Larvae feed on corn roots, causing plants to lodge and reducing yields.

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Did You Know?

This beetle costs U.S. farmers over one billion dollars annually in crop losses and control expenses.

Mount Hermon June Beetle

A scarab beetle endemic to sandhills in Santa Cruz County, California. Adults emerge in summer and are attracted to lights at night.

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Did You Know?

Its larvae feed on roots underground for up to three years before emerging as adults.