Large Elm Beetle vs Cloudy Christmas Beetle

Side-by-side species comparison

Attribute Large Elm Beetle Cloudy Christmas Beetle
Scientific Name Oulimnius tuberculatus Anoplognathus nebulosus
Order Coleoptera Coleoptera
Family Elmidae Scarabaeidae
Size 2-3 mm 18-24 mm
Habitat Rivers & Streams Forests
Diet Omnivores Root Feeders
Regions Europe Australia
Conservation Least Concern Least Concern

Large Elm Beetle

A small, robust riffle beetle found throughout European streams. Adults have a distinctive tuberculate surface texture on their elytra.

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Did You Know?

It is widely used as a bioindicator of good water quality in European river assessments.

Cloudy Christmas Beetle

A dark brown Christmas beetle with a cloudy or mottled pattern on its elytra. It is found in forests of eastern New South Wales.

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Did You Know?

Its species name nebulosus means cloudy in Latin, referring to the mottled pattern on its wing covers.