Melanotus villosus is a species of insect commonly known as the hairy click beetle. It belongs to the family Elateridae and is found in various regions of North America. This insect is characterized by its dark brown or black coloration and its densely hairy body, which provides it with camouflage and protection. The hairy click beetle is known for its ability to produce an audible clicking sound by flexing its body, which is used as a defense mechanism to startle predators.