Excavated Rove Beetle vs Red Underwing

Side-by-side species comparison

Attribute Excavated Rove Beetle Red Underwing
Scientific Name Omalium excavatum Catocala nupta
Order Coleoptera Lepidoptera
Family Staphylinidae Erebidae
Size 3-4 mm Wingspan 70-82mm
Habitat Gardens Woodlands
Diet Herbivores Herbivores
Regions Europe, introduced to North America Europe, Asia
Conservation Least Concern Least Concern

Excavated Rove Beetle

A small, brownish omaline rove beetle with distinctive excavations on the pronotum. It frequents decaying vegetation and is particularly associated with compost heaps and grass clippings.

💡

Did You Know?

This species thrives in the heat-generating centers of compost heaps, tolerating temperatures that would be lethal to many other insects.

Red Underwing

A large moth with bark-like grey forewings and vivid red and black banded hindwings flashed as a startle defense.

💡

Did You Know?

When disturbed from tree bark it flashes its bright red hindwings creating a startle effect then vanishes by closing them.