August Thorn vs European Spruce Longhorn Beetle

Side-by-side species comparison

Attribute August Thorn European Spruce Longhorn Beetle
Scientific Name Ennomos quercinaria Tetropium castaneum
Order Lepidoptera Coleoptera
Family Geometridae Cerambycidae
Size 32-38 mm wingspan 8–18 mm
Habitat Woodlands Woodlands
Diet Herbivores Wood Feeders
Regions Europe Europe, Northern Asia
Conservation Least Concern Not Evaluated

August Thorn

A thorn moth flying in late summer with warm yellow-brown wings. Rests with wings spread flat. Larvae feed on oak and other deciduous trees.

💡

Did You Know?

The angular wing shape and brown coloring give it a remarkable resemblance to a dry autumn leaf.

European Spruce Longhorn Beetle

A longhorn beetle native to Europe that bores into spruce trunks. It typically colonizes weakened or recently felled spruce trees.

💡

Did You Know?

It became a regulated quarantine pest after being found attacking healthy spruce in Nova Scotia, Canada.