Flat-Faced Longhorn Beetle

(Graphisurus fasciatus)

Flat Faced Longhorn Beetles, Vancouver Island, BC
Flat Faced Longhorn Beetles, Vancouver Island, BC, Photo By Bud Logan

The Flat-Faced Longhorn Beetle is 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 the bark of conifers. Adults can be found attracted to lights from April to September.

These guys can bite, so handle them 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 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 yellow or orange. Many are 2 to 3 cm long, but some are up to 6 cm long.

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