Adult acorn weevils are brown beetles with a very long, thin snout. Eggs are laid in acorns in midsummer, and larvae feed inside the nut until fall. Larval damage can 'kill' the acorn and it will not grow a new tree. Management is not practical and many acorns survive.

My maggot-like bug was the larvae of an acorn weevil. The adult acorn weevil is a brown colored beetle about 3/8 inch long, and has a very long thin snout. The female uses her long snout to make a small hole in a developing acorn on the tree. She lays several eggs within the hole.

Jan 28, 2025 · Acorn Weevil (Conotrachelus posticatus) Detailing the physical features, habits, territorial reach and other identifying qualities of the Acorn Weevil 

Jun 27, 2023 · Acorn weevils are fascinating insects that feed primarily on acorns, as their name suggests. These fascinating beetles are brown in color and have a distinctive long, thin snout, which they use for boring into acorns to lay their eggs. They have a curved body, tapering towards both ends and grow up to about 3/8 inch long. What Is an Acorn Weevil?

Jul 23, 2015 · The acorn weevil is not often seen but is impressive to look at because of its long snout. The chewing mouthparts are at the end of the snout, so this long ‘beak’ does not make it difficult to feed on leaves. Eggs are laid in green acorns on trees. Larvae feed inside and emerge after the acorns fall to the ground.

Dec 22, 2021 · Acorn weevils infest the acorns of most oak species. It is unclear whether this species also infests hickory nuts. Grubs consume the entire insides of acorns killing them completely, but they do not otherwise damage their host trees.

Oct 29, 2013 · There are two types of acorn weevils (beetles), long snouted and short snouted, Curculio and Conotrachelus, respectively. They both plant their eggs in acorns, but the short snouted one seems to do this in cracked acorns once they are on the ground.

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 …

The Acorn Weevil is a brown beetle with a long nose or 'snout' that is often compared to an elephant's trunk. It has mottled coloring where flecks of yellow and black mix with brown on the slightly ridged wing coverings.

May 5, 2024 · Female uses her long snout for boring into nuts/acorns, and deposits eggs there. Larvae feed inside the acorn/nut and emerge to pupate in the soil. The female drills a hole through the nut's shell and excavates one or more chambers near the inner surface, then deposits one egg per chamber.