Cylindrical Bark Hister vs Mountain Pine Beetle

Side-by-side species comparison

Attribute Cylindrical Bark Hister Mountain Pine Beetle
Scientific Name Teretrius fabricii Dendroctonus ponderosae
Order Coleoptera Coleoptera
Family Histeridae Curculionidae
Size 2-3 mm 4-7 mm
Habitat Woodlands Forests
Diet Wood Feeders Wood Feeders
Regions Europe, North America (introduced) North America
Conservation Least Concern Least Concern

Cylindrical Bark Hister

A tiny, cylindrical hister beetle that lives under bark of dead trees. Its elongated shape allows it to follow bark beetle tunnels.

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Did You Know?

It was intentionally introduced to North America from Europe to help control the smaller European elm bark beetle.

Mountain Pine Beetle

A small dark brown bark beetle that bores into pine trees to lay eggs beneath the bark. Massive outbreaks have devastated millions of hectares of North American forests.

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Did You Know?

Mountain pine beetles carry blue stain fungi that block water transport in trees, turning the wood a distinctive blue-gray color.