Douglas-fir Beetle vs Owl Moth

Side-by-side species comparison

Attribute Douglas-fir Beetle Owl Moth
Scientific Name Dendroctonus pseudotsugae Brahmaea wallichii
Order Coleoptera Lepidoptera
Family Curculionidae Brahmaeidae
Size 4-6 mm 130-160 mm wingspan
Habitat Mountains Mountains
Diet Wood Feeders Herbivores
Regions Western North America from British Columbia to Mexico Asia
Conservation Least Concern Data Deficient

Douglas-fir Beetle

A dark reddish-brown bark beetle that attacks Douglas-fir trees, particularly those weakened by drought or windthrow. It is among the most damaging bark beetles in the Pacific Northwest.

💡

Did You Know?

It preferentially attacks fallen or stressed trees, but during outbreaks it can kill large numbers of healthy standing trees.

Owl Moth

A large moth with intricate swirling wing patterns resembling owl feathers.

💡

Did You Know?

Its caterpillars raise their heads and display eyespots when threatened.