STINKBUG

Any of several insects, usually shield-shaped, possessing a gland that produces a foul-smelling liquid, usually containing aldehydes which they use to discourage predators.

A common name applied to various insects of the hemiptera order (the "true bugs"), in the heteroptera suborder, principally in the superfamilies pentatomoidea and coreoidea.

(us southwest) a pinacate beetle or stink beetle (genus eleodes) that releases a pungent odor when threatened.