Lily Beetle vs Douglas-fir Beetle

Side-by-side species comparison

Attribute Lily Beetle Douglas-fir Beetle
Scientific Name Lilioceris lilii Dendroctonus pseudotsugae
Order Coleoptera Coleoptera
Family Chrysomelidae Curculionidae
Size 6-8 mm 4-6 mm
Habitat Underground Mountains
Diet Herbivores Wood Feeders
Regions Europe, Asia; invasive in North America Western North America from British Columbia to Mexico
Conservation Not Evaluated Least Concern

Lily Beetle

A bright scarlet beetle that is a destructive pest of lilies and fritillaries. Larvae camouflage themselves by covering their bodies with their own excrement.

💡

Did You Know?

When picked up, adults squeak by rubbing body parts together in a behavior called stridulation.

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.