What defines the family placement of the acorn weevil within the Snout and Bark Beetles group (Curculionidae)?

Answer

They are phytophagous, meaning plant-eating

Beetles classified in the Family Curculionidae are phytophagous, indicating their absolute dependency on living plant material for survival, whether boring into seeds or wood.

What defines the family placement of the acorn weevil within the Snout and Bark Beetles group (Curculionidae)?
taxonomyinsectclassificationWeevilacorn