Dendroctonus is a genus of bark beetles. It includes several species notorious for destroying trees in the forests of North America.

Species include:
Dendroctonus adjunctus - roundheaded pine beetleDendroctonus approximatus - Mexican pine beetleDendroctonus brevicomis - western pine beetleDendroctonus frontalis - southern pine beetleDendroctonus jeffreyi - Jeffrey pine beetleDendroctonus micans - great spruce bark beetleDendroctonus murrayanae - lodgepole pine beetleDendroctonus ponderosae - mountain pine beetleDendroctonus pseudotsugae - Douglas-fir beetleDendroctonus punctatus - Allegheny spruce beetleDendroctonus rufipennis - spruce beetleDendroctonus simplex - eastern larch beetleDendroctonus terebrans - black turpentine beetleDendroctonus valens - red turpentine beetle