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 > Head louse
Jeff Hahn, University of Minnesota Extension
Description: 1/4 inch long.
Where/When: Found on human scalp, particularly on the heads of children.
Significance: Irritation, itching, secondary infection. Not known to transmit disease.