Pine Sawyer Beetles are found in coniferous forests at elevations over 1,200 meters. Ponderosa Pine tree and Douglas Firs are preferred habitat. Active at dusk, adults can be seen flying near lights (males) or walking on logs or stumps. The pronotum ('shoulder' area) has spines on it and their armor-like wings are highly textured.
Females lay fertilized eggs in the bark of dead or decaying trees, stumps and logs. Larvae hatch and proceed bore through dead wood, feeding on the sap inside as well as the heartwood in the center. They emerge as adults in summer, leaving behind their tunnels and capsule-shaped exit holes.
Common name: Pine Sawyer Beetle
Scientific Name: Ergates spiculatus
Other Names: Spiny Wood Borer Beetle, Ponderous Pine Borer Beetle, Spine-Necked Longhorn Beetle
Adult Size (Length): 40mm to 65mm (1.57in to 2.56in) COMPARE
Identifying Colors: brown; black
General Description: flying, neck, spikes
North American Reach (Though Not Limited To*): Arizona, California, Idaho, Montana, Nevada, Oregon, Washington,
* Keep in mind that insect reach is not governed by lines on a map and therefore may appear in areas/regions/states beyond those listed above.