Which feature characterizes the Order Coleoptera, to which the acorn weevil belongs?

Answer

Hardened forewings, called elytra

The Order Coleoptera, the beetles, is fundamentally characterized by hardened forewings, known as elytra, which serve to protect the delicate hindwings utilized for flight.

Which feature characterizes the Order Coleoptera, to which the acorn weevil belongs?
taxonomyinsectclassificationWeevilacorn