Sunburst Diving Beetle vs Fir Longhorn

Side-by-side species comparison

Attribute Sunburst Diving Beetle Fir Longhorn
Scientific Name Thermonectus marmoratus Tetropium gabrieli
Order Coleoptera Coleoptera
Family Dytiscidae Cerambycidae
Size 12-15 mm 9-15 mm
Habitat Ponds & Lakes Mountains
Diet Omnivores Wood Feeders
Regions Southwestern North America, Mexico Central and Southern Europe (Alps, Carpathians, Balkans)
Conservation Least Concern Least Concern

Sunburst Diving Beetle

A striking yellow-and-black spotted diving beetle from the American Southwest and Mexico. Its larvae have been discovered to possess bifocal lenses in their eyes.

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Did You Know?

Its larvae are the first animals discovered to have true bifocal eyes, with two focal lengths in a single lens.

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.