| Noun | 1. | coreid bug - a true bug hemipteran, hemipteron, hemipterous insect, bug - insects with sucking mouthparts and forewings thickened and leathery at the base; usually show incomplete metamorphosis Coreidae, family Coreidae - squash bugs and leaf-footed bugs Anasa tristis, squash bug - large black American bug that sucks sap of vines of the gourd family leaf-foot bug, leaf-footed bug - large sap-sucking bug with leaflike expansions on the legs |