[Order] Hemiptera Linnaeus, 1758 - true bugs 1 Suborder Sternorrhyncha Amyot & Audinet-Serville, 1843 - aphids, psyllids, whiteflies and scales 2 Suborder Clypeorrhyncha 3 Suborder Archaeorrhyncha 4 Suborder Prosorrhyncha Sorensen et al., 1995