Curculio nucum, the nut weevil, is a medium-sized beetle, with an especially elongated snout, characteristic of the Curculionini tribe of the weevil family (Curculionidae). Its larvae develop in hazel nuts Corylus avellana, being a serious pest in hazelnut orchards.

Nut weevils can be very serious pests of native and non-native nut trees. These damaging insects begin to attack the kernels in the developing nuts while the nuts are still on the tree. However, problems often are not noticed until the nuts are harvested and opened.

Jan 24, 2024 · Weevils feed on crops and the roots of plants. They grow in cereal grains such as corn, wheat, oats, rye, buckwheat, and rice. They also feed on legumes (such as beans and peas), nuts, and...

May 27, 2024 · A severe pest of nut orchards, nut weevils are beetles in the family Curculionidae. These insects lay their eggs inside of and feed upon nuts, which is where they get their name. Different species target certain kinds of nuts and have …

Nut and acorn weevils, in genus Curculio, have very long, narrow beaks and chunky bodies. Females bore tiny holes into developing acorn, hickory, or other nuts, and deposit their eggs within.

Curculio is a genus of weevils belonging the family Curculionidae and subfamily Curculioninae. [1][2] Members of the genus are commonly referred to as acorn weevils or nut weevils as they infest the seeds of trees such as oaks and hickories.

Nut weevil larvae are legless grubs with a curved body that is fattest in the middle and tapering toward both ends. Larvae are creamy white colored with a brown head and can grow to be 1/4 to 3/8 inches long. Adult females lay their eggs inside …

Nut Weevil Identification. Introducing Nut Weevil (Curculio nucum), a fascinating weevil species that showcases remarkable specialization in its ecological niche. Measuring between 6 to 8.5 millimeters in length, Curculio nucum showcases distinct sexual dimorphism in its …

Sep 24, 2007 · There are several species of insects that live inside nuts and acorns. The most common are closely related weevils collectively referred to as “nut weevils." Nut weevils attack the developing nuts on the tree during mid summer. The female adult …