The small, reddish, adult European and Nantucket pine moths are not likely to be seen, but their larvae or pupae may be found in damaged buds and shoots. The mature larvae of the European pine shoot moth are about 5/8 inch long and have brownish bodies and black heads. The mature larvae of the Nantucket pine tip moth are about 3/8 inch ling and have yellowish bodies and brown heads. The pupae of both are dark brown and slightly smaller than their respective larvae. The adult Zimmerman pine moth is gray with a mottled forewing of red and gray. The mature larvae are pink to green, depending on the host, with black spots containing a single bristle each. The mature larvae are about 3/4 inch long.