Nevada dampwood termite, Zootermopsis nevadensis, (from left to right) worker, soldier, nymph with wing pads, and swarmer (alate, reproductive).

Nevada dampwood termite,  Zootermopsis nevadensis (Hagen).  Starting on the left side of image are worker, soldier, nymph with wing pads, and swarmer (alate, reproductive).  Ruler in image is in inch and centimeter increments. Credit: Robin L. Tabuchi
Nevada dampwood termite, Zootermopsis nevadensis, (from left to right) worker, soldier, nymph with wing pads, and swarmer (alate, reproductive). Credit: Robin L. Tabuchi