Longhorn beetle Mutant (11-12) - A longhorn beetle monster. It can constrict with its antennae which can detach to form whip-like weapons. Longhorn Beetle first appeared when the Gorugomes Fruits were becoming scarce. Longhorn Beetle was later sent with the Bat Mutant to steal the Road Sector. Kamen Rider BLACK fended them off in the first battle. Gorgom let Kotaro and Akira Daimon lead them to where the Road Sector is. Longhorn Beetle found them and attacked. Longhorn Beetle's weak spot is his head which is where BLACK used his Rider Kick on to killed this monster.