Common Names: Slender spreadwing
Adults are about 2 inches long, with a wingspan of 1.2 inches. Its wings are translucent in contrast to a long, slender abdomen. The eyes are blue and there is a blue shoulder stripe. L. rectangularis can be distinguished from other spreadwings by the lack of a blue tip on its abdomen.
It lives near ponds, marshes, and bogs, where it flies during the summer months.