Pine Sawyer Beetle (Ergates spiculatus)

Order: Coleoptera
Family: Cerambycidae
Genus: Ergates
Species: spiculatus


This bug has been reportedly found in the following regions:

Florence, Arizona
Hereford, Arizona
Surprise, Arizona
Cathedral City, California
East Shore, California
Gualala, California
Knights Landing, California
Lincoln, California
Oakland, California
Orinda, California
Palm Desert, California
San Simeon, California
Santa Cruz, California
Monroe, Connecticut
Oakdale, Connecticut
Mount Airy, Maryland
Duluth, Minnesota
Sanbornton, New Hampshire
Flemington, New Jersey
Bend, Oregon
Eugene, Oregon
Gold Hill, Oregon
Newberg, Oregon
Chalfont, Pennsylvania
Barnet, Vermont
Virginia Beach, Virginia
Hoquiam, Washington
Naches, Washington
Nine Mile Falls, Washington
Selah, Washington
Show all

Members' Notes:


On Aug 24, 2020, Maiamitt from Selah, WA wrote:

My son found a Pine Sawyer beetle last night. We live in Selah, Washington.


On Jul 5, 2018, PamulaS from Virginia Beach, VA wrote:

Great pictures on this site!!! I live in Virginia Beach and I took pictures of this beetle a couple of nights ago. I just wanted to report it being found in VA. It was huge!!! Thanks for the chance to share!


On Jul 23, 2017, yangkang from Chalfont, PA wrote:

I noticed this list of locations didn't contain Pennsylvania. I recently found a dead sawyer and decided to look it up and ended up here. seems they've moved from Jersey to PA now too


On Jun 5, 2017, mikea3 from Palm Desert, CA wrote:

On the morning of June 3, 2017, I discovered a dead Pine Sawyer Beetle floating in my swimming pool. Having read several descriptions of its habitat, I think it is strange to have this beetle in the Coachella Valley of Southern California. I have a picture of it, but being brand new to this site, I do not see a way to display it here.


On Aug 13, 2006, Scorpioangel from Gold Hill, OR (Zone 7a) wrote:

Description: This is the largest beetle in western North America. They can reach 65 mm in length. They are slender and flattened. Elytra are reddish brown with a few distinct ridges. The pronotum and head are much darker. The margins of the thorax have a few large spines and usually several smaller ones. Antennae are over half of the body length and tend to lay back along the length of the body. The eyes partially surround the base of the antennae. The mandibles are fairly large.

Habits: Adults lay eggs in crevices in the bark of the snags, logs, and stumps of Douglas fir, pines, firs, and redwoods. Larvae excavate large tunnels within the sapwood and heartwood. Although detrimental to the logging industry, they are a naturally occurring element of western forest ecology. La... read more