Brassy Willow Beetle vs Dinaric Cave Diving Beetle

Side-by-side species comparison

Attribute Brassy Willow Beetle Dinaric Cave Diving Beetle
Scientific Name Phratora vitellinae Spelaeodytes mirabilis
Order Coleoptera Coleoptera
Family Chrysomelidae Carabidae
Size 3-5 mm 6-8 mm
Habitat Rivers & Streams Caves
Diet Detritivores Omnivores
Regions Europe, Northern Asia Bosnia and Herzegovina
Conservation Least Concern Vulnerable

Brassy Willow Beetle

A small, shiny metallic bronze to greenish beetle that feeds on willow and poplar. Adults overwinter in leaf litter and emerge in spring to colonize new willow growth.

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Did You Know?

Larvae secrete salicylaldehyde, a chemical obtained from salicin in willow leaves, which smells like antiseptic and deters predators.

Dinaric Cave Diving Beetle

A remarkable cave ground beetle from the Dinaric karst, with spider-like elongated legs. It was first collected in Herzegovina in the 19th century.

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Did You Know?

Its spider-like appearance led early naturalists to initially misidentify it.