Beet Webworm
Loxostege sticticalis (Linnaeus)

Adults are grayish-brown moths about 12 mm long. Full-grown webworm larvae are up to 25 mm long, olive-green, and have black and white tubercles and light and dark longitudinal stripes running the length of the body. The larvae skeletonize leaves of many plants. Damage occurs in mid-season on sugarbeets. Host plants: sugarbeets, carrots, cabbage, beans, peas, potatoes, spinach.