This article is about a/an Worm in Kamen Rider Kabuto.

Aracnea Worm Nigritia (アラクネアワーム・ニグリティア Arakunea Wāmu Niguritia, 1 & 2): A Worm that can release webs with acidic mucus from its arms. Kabuto overwhelms it in Rider Form before killing it with his Rider Kick.

Character History

Kamen Rider Kabuto

Part of a large group of Salis Worms that were attacked by a squad of ZECTroopers, Nigritia first molted with the other Aracnea Worms (Rubor and Flavus), easily overwhelming the ZECTroopers and escaping. The Strongest Man

It detected, killed, and duplicated the candidate sent from ZECT intended to have been Kabuto, then following and confronting Tendo, strangely a Salis Worm again, before molting back into Nigritia as he transformed into Kabuto. After Kabuto destroyed Flavus, it fled into traffic, Clocking Up and fighting him, but was eventually defeated by Kabuto's Rider Kick. The First Two-Step Transformation

Video Game appearances

Kamen Rider Kabuto video game

Aracneaworm Nigritia is one of many Worms who appear in the Kamen Rider Kabuto video game.


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Powers and Abilities


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Behind the Scenes


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  • It is unclear why this Worm was seen molting twice. Either the Aracnea sub-class has the exclusive ability to un-molt, or Worms staying molted simply hadn't been decided upon as of the first episode's production.
Icon-kabuto Kamen Rider Kabuto
Masked Rider System Users
Souji Tendou (alternate) - Arata Kagami - Daisuke Kazama - Tsurugi Kamishiro - Sou Yaguruma - Shun Kageyama - Souji Kusakabe
Movie-exclusive Riders: Issei Kurosaki - Hidenari Oda - Tetsuki Yamato
Gear: The Zecters - Rider Belt - Rider Brace - ZECT Kunaigun - Kabuto Kunaigun - Drake Glip - Zectmizer - Perfect Zecter - Gatack Double Calibur - Sasword Yaiver - Kabuto Extender - Gatack Extender - Machine Zectron - Kabutick Zecters
Hiyori Kusakabe - Jyuka Tendou - Yumiko Takemiya - Gon - Jiiya
Other allies: Takeshi Hongo
Riku Kagami - Masato Mishima - Renge Takatori - Yuzuki Misaki - ZECTroopers
The Natives: Daigo Tachikawa - Shuichi Tadokoro - Negishi - Masato Mishima - Hiyori Kusakabe
Worms: Aracnea Worms (Aracnea Rubor - Aracnea Flavus - Aracnea Nigritia) - Lanpyris Worm - Bellcricetus Worm - Epilachna Worm - Pulex Worm - Verber Worms (Verber - Verber Rota) - Coleoptera Worms (Coleoptera Aeneus - Coleoptera Croceus - Coleoptera Argentum) - Musca Worm - Sectio Worms (Sectio - Sectio Acuere) - Formicaalubus Worms (Formicaalubus - Formicaalubus Oculus - Formicaalubus Maxilla) - Brachypelma Worms (Brachypelma Aurantium - Brachypelma Viridis) - Tarantes Worm Purpura - Geophilid Worms - Acarina Worms (Acarina - Acarina Amber) - Viella Worm - Sepultura Worm - Genomyas Worm - Culex Worm - Foliatus Worm - Cammarus Worm - Camponotus Worms (Camponotus Oculus - Camponotus Maxilla) - Cochlea Worm - Leptophyes Worm - Subst Worm
Executive Worms: Uca Worm - Cassis Worm
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