Striped Whirligig Beetle vs Alpine Longhorn Beetle

Side-by-side species comparison

Attribute Striped Whirligig Beetle Alpine Longhorn Beetle
Scientific Name Gyrinus substriatus Rosalia alpina
Order Coleoptera Coleoptera
Family Gyrinidae Cerambycidae
Size 5-7 mm 15-40 mm
Habitat Ponds & Lakes Woodlands
Diet Omnivores Wood Feeders
Regions Europe, Western Asia Europe
Conservation Least Concern Vulnerable

Striped Whirligig Beetle

A small whirligig beetle common across Europe, with fine longitudinal lines on the elytra. It aggregates in large swarms on sheltered pond surfaces.

💡

Did You Know?

Groups coordinate their circular swimming using ripples on the water surface as communication signals.

Alpine Longhorn Beetle

A strikingly beautiful blue-grey beetle with black spots, listed on multiple European conservation directives. Depends on old-growth beech forests with standing dead wood.

💡

Did You Know?

This beetle is so dependent on ancient beech forests that a single dead tree can support an isolated population for decades — but when that tree is gone, so is the colony.