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Extension > Garden > Diagnose a problem > What insect is this? > Insects found indoors > Beetles, bugs, ants, and other insects without obvious wings - Under 1/4 inch long > Subterranean termite worker

Subterranean termite worker
Photo Credit: University of Nebraska, Department of Entomology

Subterranean termite worker
Size: 1/4 inch long.

Where/When: Associated with mud tubes and essentially never seen out in the open. Could be seen through out the year.

Significance: Colonies nest in the soil and attack wood. Very damaging to homes. Termites are generally uncommon in Minnesota. They are more common in southern Minnesota and more rare to non-existent as you travel north.
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