The plum curculio (Conotrachelus nenuphar) is a true weevil native to the regions east of the Rocky Mountains in the United States and Canada. It is notorious for destroying fruits if left uncontrolled. · Plum curculio is a small beetle that feeds and lays eggs on tree fruits, causing damage and drop. Learn how to monitor, control, and prevent this pest using cultural, biological, and chemical methods. The adult plum curculio is a 3/16" dark brown beetle with a snout about 1/3 as long as its body. Its wing covers have four bumps and grayish-white patches. The immature (larva) is a grayish-white, legless, c-shaped grub with a small brown head, and is 1/3" long when fully grown. The grub can be found inside infested fruits during June and early Jul...See full list on extension.unh.eduAdult plumcurculios primarily overwinter in forest leaf litter. In spring, adults become active and feed upon a developing fruit. During this time, they mate and begin laying eggs. Females make small holes in the skin of the fruit, into which they deposit an egg. These holes protect the eggs as the fruit develops and expands. One female lays an av...See full list on extension.unh.eduSee full list on extension.unh.eduNov 1, 2023 · Plum curculio is a dark brown beetle that damages apples, cherries, nectarines, peaches, and plums in Pennsylvania. Learn about its description, life cycle, injury, monitoring, and management strategies. Learn about the biology, damage, monitoring and management of plum curculio, a native beetle pest of pome and stone fruits in North America. See photos of the life stages, signs of injury and scouting tips. Plum curculio is a type of snout beetle that can damage apple, pear, peach and other fruits by feeding and laying eggs on buds, flowers and fruit. Learn how to identify, prevent and control this early-season pest with insecticides or kaolin clay. How do you get rid of plum curculio?Adult populations can be suppressed in the spring with well-timed applications of effective insecticides immediately after petal fall. Insecticides labeled for use against plum curculio, and available for homeowners include carbaryl (Sevin), malathion and kaolin clay (Surround).What is a plum curculio?The plum curculio (Conotrachelus nenuphar) is a true weevil native to the regions east of the Rocky Mountains in the United States and Canada. It is notorious for destroying fruits if left uncontrolled.What does a plum curculio look like?Adult plum curculio are about 4 to 6 mm long and have a small, rough snout colored with black, gray, and brown specks. Four pairs of ridges cover the wings; however, because of the middle humps they appear to have only two ridges. The plum curculio can be found in apple, nectarine, plum, cherry, peach, apricot, pear, quince, and blueberry.What do plum curculio eat?Photo credit: J. Obermeyer The plum curculio (Conotrachelus nenuphar) is a small “snout” beetle (also known as a weevil – one of my favorite beetle groups!) that will feed on apples, peaches, pears, plums, and cherries. Learn about plum curculio, a small brown weevil that infests pome and stone fruits in Utah. Find out how to identify, monitor, and manage this quarantine pest that threatens Utah's fruit export markets. · Plum curculio is a dark brown beetle that damages apples, cherries, nectarines, peaches, and plums in Pennsylvania. Learn about its description, life cycle, injury, monitoring, and management strategies. Learn about the biology, damage, monitoring and management of plum curculio, a native beetle pest of pome and stone fruits in North America. See photos of the life stages, signs of injury and scouting tips. Plum curculio is a type of snout beetle that can damage apple, pear, peach and other fruits by feeding and laying eggs on buds, flowers and fruit. Learn how to identify, prevent and control this early-season pest with insecticides or kaolin clay. Learn about plum curculio, a small brown weevil that infests pome and stone fruits in Utah. Find out how to identify, monitor, and manage this quarantine pest that threatens Utah's fruit export markets.
