[Order] Hemiptera Linnaeus, 1758 - true bugs Suborder Sternorrhyncha Amyot & Audinet-Serville, 1843 - aphids, psyllids, whiteflies and scales Infraorder Aphidodea Superfamily Phylloxeroidea Herrich-Schaeffer, 1854 Family Adelgidae (Annand, 1928) - adelgids Subfamily Pineinae Genus Pineus Shimer, 1869 Subgenus Pineus Shimer, 1869 Pineus floccus (Patch, 1909) - red spruce adelgid