spruce gall aphid(n = noun.animal) adelges abietis - a variety of adelgid; Array
is a kind of adelgid
is a member of adelges, genus adelges

aphid, aphid lion, apple aphid, balsam woolly aphid, bean aphid, big-cone spruce, black spruce, brewer's spruce, colorado blue spruce, colorado spruce, crown gall, cynipid gall wasp, douglas spruce, eastern spruce, engelmann spruce, engelmann's spruce, gall, gall gnat, gall midge, gall of the earth, gall wasp, green apple aphid, green peach aphid, norway spruce, oriental spruce, pale chrysanthemum aphid, pine leaf aphid, red spruce, siberian spruce, silver spruce, sitka spruce, spruce, spruce bark beetle, spruce beer, spruce grouse, spruce pine, spruce squirrel, spruce up, water gall, weeping spruce, white spruce, woolly alder aphid, woolly aphid, woolly apple aphid, yellow spruce