woolly alder aphid(n = noun.animal) prociphilus tessellatus - attacks alders;
is a kind of woolly aphid, woolly plant louse
is a member of genus prociphilus, prociphilus

alder, alder blight, alder buckthorn, alder dogwood, alder fly, alder tree, aphid, aphid lion, apple aphid, balsam woolly aphid, bean aphid, common alder, european black alder, european woolly thistle, gray alder, green alder, green apple aphid, green peach aphid, grey alder, hazel alder, mountain alder, oregon alder, pale chrysanthemum aphid, pine leaf aphid, red alder, seaside alder, smooth alder, speckled alder, spruce gall aphid, white alder, witch alder, woolly, woolly adelgid, woolly aphid, woolly apple aphid, woolly bear, woolly bear caterpillar, woolly bear moth, woolly daisy, woolly indris, woolly mammoth, woolly manzanita, woolly monkey, woolly mullein, woolly plant louse, woolly rhinoceros, woolly sunflower, woolly thistle