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  • Carolina Pine Sawyer - (Monochamus carolinensis)

    Carolina Pine Sawyer - (Monochamus carolinensis)

    Carolina Pine Sawyer Beetles are found in evergreen forests and are considered a pest because they unwittingly carry a tree killer inside them.

    Picture of Carolina Pine Sawyer
    Staff Writer (8/3/2017): Carolina Pine Sawyers feed on the soft shoots of pine trees. While their feeding on plant material can stress the tree, it is not the primary problem the pine tree is facing. Inside the Carolina Pine Sawyer's breathing pores are tiny nematodes, wormy creatures that leave the beetle and go directly into the chewed up wound of the pine shoot. Another mode of infection happens when adult female Carolina Pine Sawyers create holes in tree bark to lay eggs. The nematodes can enter the tree through those openings. These pine wood nematodes feed on bark and xylem. Xylem is the tissue that transports water throughout the tree. Over time, these worms cause the leaves to wilt and the tree to dry up. Tree death results.

    Controlling the spread of the pine wood nematode requires identifying infected trees, cutting them down and immediately burning them. Because Carolina Pine Sawyer Beetles develop in about two months, larvae and adult beetles can share the same tree. Seeing an adult on a trunk means the tree, though healthy in appearance, may already be infected with the nematodes. Storing wood or using it for flooring, pallets, and furniture allows beetle larvae still alive inside to emerge as infected adults so incinerating or kiln-drying wood is the only definite way to stop the nematode from reaching other trees.

    The damage the Carolina Pine Sawyer larvae do to pine trees is not as devastating as what their wormy tag-a-longs do. Unfortunately for this species, their fates are entwined.

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    Details of the:
    Carolina Pine Sawyer

    Category: Beetle
    Common name: Carolina Pine Sawyer
    Scientific Name: Monochamus carolinensis

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Coleoptera
          Family: Cerambycidae
           Genus: Monochamus
            Species: carolinensis

    Size (Adult, Length): 18mm to 25mm (0.71in to 0.98in)

    Identifying Colors: black, white

    Additional Descriptors: bumpy, textured, antennae, spots, flying

    North American Reach (Though Not Limited To*): Alabama; Arkansas; Connecticut; Delaware; Florida; Georgia; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Nebraska;New Hampshire; New Jersey; New York; North Carolina; North Dakota; Ohio; Oklahoma; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Vermont; Virginia; West Virginia; Wisconsin; British Columbia; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Mexico

    * 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.

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