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White-Spotted Sawyer Beetle (Monochamus scutellatus)

Detailing the identifying qualities of the White-Spotted Sawyer Beetle, including physical features and territorial reach.

 Updated: 5/19/2015; Authored By Staff Writer; Content ¬©

  White-Spotted Sawyer Beetle  
Picture of White-Spotted-Sawyer-Beetle
Picture of White-Spotted-Sawyer-Beetle Picture of White-Spotted-Sawyer-BeetlePicture of White-Spotted-Sawyer-BeetlePicture of White-Spotted-Sawyer-Beetle

The White-Spotted Sawyer Beetle can be found in most evergreen forests across the continent. Their larvae bore into the trees.

One white spot at the top of the elytra (wing covering) marks this black beetle. Smaller white speckling may be visible on the eltyra (wings) as well, but it may be absent. Females have more of white speckling than males. Members of this family have a spike, or a protrusion, coming out of each side of the 'throat'. The White-Spotted Sawyer Beetle is a type of Long-Horned Beetle so one can expect them to have extraordinarily long antennae ('horns'). This species' antennae can be up to 3 times longer than their actual bodies.

This beetle prefers conifer trees like pine, spruce, fir and can be found in evergreen forests. They may also be found in areas where branches are freshly cut, like lumber yards. Females lay eggs on the tree and when the larvae hatch, they bore into the wood of dead or dying trees. Adults are active in the daytime and eat twig bark.

Picture of the White-Spotted Sawyer Beetle
Picture of the White-Spotted Sawyer Beetle

White-Spotted Sawyer Beetle Information

Category: Beetle
Common Name: White-Spotted Sawyer Beetle
Scientific Name: Monochamus scutellatus

Taxonomy Hierarchy

 Arrow graphic Kingdom: Animalia
  Arrow graphic Phylum: Arthropoda
   Arrow graphic Class: Insecta
    Arrow graphic Order: Coleoptera
     Arrow graphic Family: Cerambycidae
      Arrow graphic Genus: Monochamus
       Arrow graphic Species: scutellatus

Size, Identifying Tags and Territorial Reach

Size (Adult, Length): Size (Adult, Length): 18 mm to 25 mm (0.702 inches to 0.975 inches)
Identifying Colors: black; white
Additional Descriptors: spot, antennae, flying

North American Territorial Reach (Though Not Limited To): Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming; Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Saskatchewan; Mexico

A Note About Territorial Reach: Keep in mind that an insect's reach is not limited by lines drawn on a map and therefore species may appear in areas, regions and/or states beyond those listed above. Insects are driven by environmental factors, food supplies and mating patterns and do not nescessarily work within hard-and-fast territorial lines like we humans do.

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