Durant (Aiant in Japanese) is a small Bug/Steel type Pokémon. It's name and design are obviously based on a Ant, possibly a Argentine Ant. It shares a rivalry with Heatmor a Anteater Pokemon.
In the anime Durant's have appeared once. A large colony of Durant appeared in the episode "Battling the Leaf Thieves" were they went scavenging for food. The Durants accidentally abducted Iris's Axew when searching for the food.