Clytus marginicollis is a species of beetle in the family Cerambycidae. It was described by Laporte and Gory in 1835.<Ref name=GBIF></ref> It is known for its distinctive appearance and is found in various regions, showcasing a diverse range of markings and colors.
C. marginicollis is a small, black beetle with yellow banding. It resembles a small hairy wasp. The larvae feed on dead pine branches, and adults are often found under the bark of pines.