Kabuterimon

Kabuterimon is an Insectoid Digimon, whose name and design are derived from the Rhinoceros Beetle (『甲虫』). He has a hard exoskeleton that gives him iron-like defense, and his jaws possess ant-like strength.

Our War Game
Tentomon digivolves into Kabuterimon in order to defeat Keramon, who then digivolves into Infermon, skipping the champion stage. The Digi-destined do not realize this until after several of their attacks cause no damage to Infermon. Kabuterimon then attempts to digivolve to MegaKabuterimon, but is attacked while digivolving and instead regresses to Tentomon.

Digimon Adventure 02
The helmet of a separate Kabuterimon was used by the Digimon Emperor in the creation of Kimeramon.

Digimon Frontier
A Kabuterimon was seen among the Digimon who captured IceDevimon in Bokomon's story.

Digimon World 2
Kabuterimon digivolves from Tentomon and can digivolve to MegaKabuterimon (Blue).

Digimon World DS
Kabuterimon digivolves from Tentomon, and can digivolve to MegaKabuterimon.

Digimon World: Dawn/Dusk
Kabuterimon digivolves from Tentomon, and can digivolve to either the Red or Blue versions of MegaKabuterimon.

Attacks
 * Electro Shocker (Mega Blaster): Fires an electrical ball at enemies.
 * Beetle Horn Attack (Beetle Horn): Charges his horn with electricity, and attacks enemies with it.
 * Electric Storm: Charges his body and arms with electricity, then flies around with the electricity attacking nearby opponents.