Hemp-Leatherjacket

Large crane fly (Tipula dorsimacula Walker)

Pest description and crop damage Larvae (Order Diptera: Family Tipulidae) are about 1.5 inches long, gray or gray-brown, and wormlike. The head is retractable into the body, and there are no legs. Larvae are common from late July through September and can be found on small hemp plants feeding on foliage. The adult is a good size fly about 1 inch long, resembling a giant mosquito with an orange and black abdomen without evident mouth parts. Avoid planting hemp near grasses or alfalfa. No control needed.