Ceutorhynchus constrictus is a species of minute seed weevil in the family Curculionidae. It is native to Europe, but has been released as a biological control agent for garlic mustard in North America.
This weevil varies from 1.8-2.3mm in size.
This weevil occurs in forests and meadows.
This weevil is oligophagous on Brassicaceae.