Curculio nucum
Encyclopedia
Curculio nucum is a species of weevil
Weevil
A weevil is any beetle from the Curculionoidea superfamily. They are usually small, less than , and herbivorous. There are over 60,000 species in several families, mostly in the family Curculionidae...

 known as the hazelnut weevil or acorn weevil (although that name is used in Europe
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...

 for Curculio glandium
Curculio glandium
Curculio glandium is a species of weevil known as the acorn weevil....

).

It is the most common of all acorn
Acorn
The acorn, or oak nut, is the nut of the oaks and their close relatives . It usually contains a single seed , enclosed in a tough, leathery shell, and borne in a cup-shaped cupule. Acorns vary from 1–6 cm long and 0.8–4 cm broad...

-eating insects and grows to approximately ½ in long. It has a distinctly longer and more slender snout than other weevils, which can be up to twice the length of the body and have sharp saw-like teeth at the end. The female C. nucum uses her long beak to eat out the inside of an acorn in which she will then proceed to lay her eggs.The color usually varies from light brown to dark brown. The beetle will go through three stages; egg, larva, and adult beetle.
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