Monochamous oregonensis

The Oregon fir sawyerMonochamus scutellatus oregonensis, is a common long-horned beetle. The larva burrows into the cambium of pine and spruce trees and is typically found an elevation of about 6800 feet. One of this species' key identifiers is its white scutellum. Males fight one another over females while females fight one another for oviposition sites in dead or dying trees.

Order: Coleoptera
Family: Cerambycidae
Species: Monochamus oregonensis

Photograph: © 2008 RKD Peterson
Date of Photograph: 23 August 2008
Location: Montana, Gallatin Co. (45o22'26" N 111o09'05" W)