Rhagium inquisitor, the ribbed pine borer, is a species of longhorn beetle in the family Cerambycidae.

It was described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae.

[1] It is distributed widely in the Holarctic, and its larvae burrow into the wood of larch, pine, spruce, birch and oak trees.

[2] This Lepturinae article is a stub.

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