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  • Spotted Tree Borer Beetle - (Synaphaeta guexi)

    Spotted Tree Borer Beetle - (Synaphaeta guexi)

    The pesky Spotted Tree Borer Beetle attacks trees at the larval stage, making sick trees sicker.

    Picture of Spotted Tree Borer Beetle
    Staff Writer (2/5/2014): Eggs for the Spotted Tree Borer are laid by females on a variety of weakened trees like oak, maple, willow, apple, pear and poplar. Larvae hatch and begin tunneling into the bark and eventually the heartwood, leaving trails of frass (feces that resembles saw dust) in their wake. The tunnels break into the cambium tissue and this causes the tree to leak sap. Trees that were already weak can die. The beetles are also found in dead trees that may become firewood or furniture. Spotted Tree Borer adults emerge from the wood in spring or fall.

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    Details of the:
    Spotted Tree Borer Beetle

    Category: Beetle
    Common name: Spotted Tree Borer Beetle
    Scientific Name: Synaphaeta guexi

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Coleoptera
          Family: Cerambycidae
           Genus: Synaphaeta
            Species: guexi

    Size (Adult, Length): 9mm to 25mm (0.35in to 0.98in)

    Identifying Colors: white; black; gray

    Additional Descriptors: spots, bands, hairy, harmful, flying

    North American 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; Saskatchewan

    * 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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