Locust Borer vs Orange Wheat Blossom Midge

Side-by-side species comparison

Attribute Locust Borer Orange Wheat Blossom Midge
Scientific Name Megacyllene robiniae Sitodiplosis mosellana
Order Coleoptera Diptera
Family Cerambycidae Cecidomyiidae
Size 14-22 mm 2-3 mm
Habitat Farmland Farmland
Diet Pollen Feeders Gall Makers
Regions Eastern and Central North America Europe, North America, Asia
Conservation Least Concern Least Concern

Locust Borer

A striking yellow-and-black wasp mimic that attacks black locust trees in North America. Adults appear in autumn and are commonly found on goldenrod flowers. Larval boring weakens locust trunks and can cause breakage.

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Did You Know?

Adults synchronize their emergence with goldenrod bloom, making autumn fields their primary mating arenas.

Orange Wheat Blossom Midge

A small orange-colored gall midge that lays eggs in wheat flowers. Its bright orange larvae feed on developing wheat grains, causing significant yield losses in cereal crops.

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Did You Know?

Larvae can enter diapause in the soil for over a decade, emerging years later when conditions are favorable.