Extension > Garden > Diagnose a problem > What insect is this? > Insects found indoors > Winged Insects - 1/4 inch up to 1/2 inch > Subterranean termites

Subterranean termites

Reticulitermes spp.

David Cappaert, Michigan State University, Bugwood.org

Susan Ellis, Bugwood.org

Description: 3/8 inch long. Dark colored insects with four similarly sized wings much longer than its body; moderate length straight antennae.

Where/When: Termites are uncommon to rare in Minnesota and are generally seen only in the southern third of the state. When present, swarmers are found during spring.

Significance: When present, termites can cause significant damage to wooden structures and any other cellulose-containing material.