Coleoptera Worm Aeneus is a Worm and antagonist in episode 9 of Kamen Rider Kabuto.
Kamen Rider Kabuto
It and two other Coleoptera Worms molted from a group of Salis Worms fighting against Shadow. It was swiftly destroyed by Kabuto with his Rider Kick.
Kamen Rider Decade: All Riders vs. Dai-Shocker
Coleoptera Worm Aeneus was among the monsters who were part of the Dai-Shocker army in the World of Decade. They fought against a gathering of 25 Kamen Riders who formed to oppose Dai-Shocker's invasion of the A.R. Worlds.