Stingmon

Stingmon is the insectoid Digimon, the Digivolved form of Wormmon.

Evolution

 * Fresh (Baby) - Leafmon
 * Baby (In-Training) - Minomon
 * Child (Rookie) - Wormmon
 * Adult (Champion) - Stingmon

Special Evolutions

 * Perfect (Ultimate) - Exveemon + Stingmon = Paildramon
 * Ultimate (Mega) - Imperial Dramon

Digimon 02
It's unknown when Wormmon first digivolved to Stingmon, but he first appeared when Arukenimon began her reign of terror. He and Exveemon were the first to DNA Digivolve & form Paildramon.