Plum curculio 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 and quince. It may also survive on wild plum, hawthorn, and crabapple. It is found most commonly in areas east of the Rocky Mountains and in eastern Canada. The beetles are most active during the spring time when the weather is warm, damp, and cloudy. They are often seen in heavy leafed trees. Plum curculio beetles can cause irreparable damage to a fruit harvest. In badly damaged fruit, one can
Plum curculio identify large scars and bumps due to feeding. Most internally damaged fruit (through burrowing into the fruit) drops prematurely. Control of the plum curculio is fairly easy to maintain. Application of proper insecticide during the pink and petal-fall stages of apples, also the petal-fall and shuck-split stages in peaches and cherries is usually enough to reduce plum curculio damage to a minimum. An important preventative measure is destroying the fallen, damaged host fruits before the adults emerge. Pest management at petal fall is also of particular importance. Plum curculio The plum curculio ("Conotrachelus nenuphar") is a true weevil native to