This article is about a/an Worm in Kamen Rider Kabuto.
For the sub-class this Worm belongs to, see Formicaalubus Worm sub-class.

Formicaalubus Worm (フォルミカアルビュスワーム Forumikaarubyusu Wāmu, 15 & 16): A Worm that can release acidic gas from its mouth and has claws and body thrones that can tear through concrete and steel. It was destroyed by Drake's Rider Shooting.