Flat Faced Longhorn Beetle

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Beetles, Pacific Northwest

Flat Faced Longhorn Beetle
Flat Faced Longhorn Beetles, Photo By Bud Logan

The Flat Faced Longhorn Beetles are a species of the subfamily Lamiinae. They can be up to 11 mm long. It has a pitted exoskeleton and is brown with black mottling.

Its larvae feed under bark of conifers. Adults can be found attracted to lights from April to September.

These guys can bite, handle with care.

Flat Faced Longhorn Beetles are long and thin with antennae that can be as long as their bodies and sometimes much longer. There are many different species in this family. Often they are smooth with bodies that taper towards the back end.

Many are black, gray, or brown with banded patterns of black and yellow or orange. Many are 2 to 3 cm long but some are up to 6 cm long.

One thought on “Flat Faced Longhorn Beetle”

  1. Hi, I discovered a beetle at a beach in Arcata, CA that looks to be the Flat Faced Longhorn Beetle that you have pictured. Ours was on a driftwood log and had horns that were more than twice it’s body length, which was 7/8″ or more. I can’t seem to find anything describing a beetle with horns this long and wondered if you had any insights. I’d share a photo with you if I could figure it out, maybe email? Thanks for any info.

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