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  • Pine Sawyer Beetle - (Ergates spiculatus)

    Pine Sawyer Beetle - (Ergates spiculatus)

    Since the Pine Sawyer Beetle loves high altitudes and evergreens, the Rocky Mountains are the right place to call home.

    Staff Writer (1/27/2014): 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.

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    Details of the:
    Pine Sawyer Beetle

    Category: Beetle
    Common name: Pine Sawyer Beetle
    Scientific Name: Ergates spiculatus
    Other Names: Spiny Wood Borer Beetle, Ponderous Pine Borer Beetle, Spine-Necked Longhorn Beetle

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Coleoptera
          Family: Cerambycidae
           Genus: Ergates
            Species: spiculatus

    Size (Adult, Length): 40mm to 65mm (1.57in to 2.56in)

    Identifying Colors: brown; black

    Additional Descriptors: flying, neck, spikes

    North American Reach (Though Not Limited To*): Arizona, California, Idaho, Montana, Nevada, Oregon, Washington,

    * Keep in mind that an insect's reach is not limited by lines on a map and therefore may appear in areas/regions/states beyond those listed above.