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Extension > Garden > Diagnose a problem > What insect is this? > Trees and shrubs > Not obvious insects: Insects that do not resemble insects > Pine bark adelgid

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Pine bark adelgid

Pineus strobi

Pine bark adelgid

Jeff Hahn, University of Minnesota Extension


Description: 1/10 inch long. Bodies are black, oval and wingless. They are covered under a layer of white woolly material. Heavily infested trees look like they have been painted.

Where/When: Found on branches or trunks of white pine as well as Scotch and Austrian pines. Present throughout the year.

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