cornicle

Cornicle:A cornicle is a small, conical structure that protrudes from the surface of some insects’ abdomens. They are also known as wax tubes or wax glands, and they are used to produce and secrete wax. Wax is used by insects for a variety of purposes, including waterproofing, insulation, and protection. Cornicles are found in a variety of insects, including bees, wasps, and ants.