Fir Longhorn vs Spotted Cucumber Beetle

Side-by-side species comparison

Attribute Fir Longhorn Spotted Cucumber Beetle
Scientific Name Tetropium gabrieli Diabrotica undecimpunctata
Order Coleoptera Coleoptera
Family Cerambycidae Chrysomelidae
Size 9-15 mm 5-7mm
Habitat Mountains Farmland
Diet Wood Feeders Root Feeders
Regions Central and Southern Europe (Alps, Carpathians, Balkans) North America
Conservation Least Concern Least Concern

Fir Longhorn

A small brown spondylidine beetle that specializes on fir trees across European mountain ranges. It is similar to T. castaneum but is restricted to Abies. Larvae develop under bark of weakened or dead silver fir.

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Did You Know?

This species is considered an indicator of healthy montane fir forest ecosystems.

Spotted Cucumber Beetle

A yellowish-green beetle with eleven black spots on its elytra. It is a significant agricultural pest of cucurbits, corn, and other crops.

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Did You Know?

Its larvae are known as corn rootworms and can cause billions of dollars in crop damage annually.