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  • Red Oak Borer - (Enaphalodes rufulus)

    Red Oak Borer - (Enaphalodes rufulus)

    The Red Oak Borer Beetle makes a mess of good timber, wreaking havoc on the industry.

    Staff Writer (6/27/2016): The larvae of this beetle bore into weak, but still living, Red Oak and White Oak wood. Oak trees that have been cut down for human use (flooring, cabinets, furniture, etc.) and allowed to dry in lumber yards has become prime real estate for the Red Oak Beetle. Despite its name, this beetle takes advantage of many kinds of oak trees. It is considered a major pest to the timber industry because the larvae compromise the strength and integrity of the wood, rendering it useless and wasted for its original purpose. While still usable for other purposes, the quality is almost cut in half and the price timber companies can ask for the wood depreciates at a loss for the business. Removing infested trees from the pile can and has greatly helped reduce the damage to standing logs. Signs of infection/infestation are easy to recognize with practice (bark discoloration, shavings of frass kicked out of the tunnels by the larvae, weeping sap, etc.).

    Like all Longhorn Beetles, the Red Oak Borer Beetle has antennae that are much longer than the beetle's actual body. (The orange coloring on the face in some of the photos is believed to be a mass of mites or other small insect and does not have any relation to the name of the Red Oak Borer.) They are brown and tan and covered with fine hairs.

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    Details of the:
    Red Oak Borer

    Category: Beetle
    Common name: Red Oak Borer
    Scientific Name: Enaphalodes rufulus

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Coleoptera
          Family: Cerambycidae
           Genus: Enaphalodes
            Species: rufulus

    Size (Adult, Length): 9mm to 27mm (0.35in to 1.06in)

    Identifying Colors: red; brown; orange; tan; ivory

    Additional Descriptors: hairy, flying

    North American Reach (Though Not Limited To*): Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Hawaii; 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

    * 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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