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
University of Nebraska, Department of Entomology
Size: 1/4 inch long
Where/When: Associated with mud tubes and essentially never seen out in the open. Could be seen throughout 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.