The front wings are usually large and triangular and the hind wings are small and rounded. Some species have hind wings that are very small or absent. The wings are held together above body when at rest. The antennae are small, bristlelike, and inconspicuous. The front legs of males are longer than the other legs, sometimes as long or longer than the body.
Adults have vestigial mouthparts.
True bugs True bugs have sucking mouthparts that form a beak projecting from the front of the head. The structure of the front wings is also a distinctive feature, the basal portion of the front wing is thickened and leathery and the apical portion is membranous. This type of wing is called a hemelytron. The hind wings are membranous and slightly shorter than the front wings. Some species are wingless.