What is the most reliable physical feature for identifying an adult larder beetle?

Answer

A pale or yellowish, wavy band across the base of the wing covers.

Adult larder beetles are dark brown to black, but the most dependable identifying mark is the distinct pale or yellowish, wavy band composed of small scales located across the base of their wing covers, known as the elytra.

What is the most reliable physical feature for identifying an adult larder beetle?
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