Latest Pokemon GO information about Ariados Bug and Poison pokemon. Pokemon Go Generation 2: Bug Type Pokemon are countered by Flying Type. For Example, Xatu (Flying type) will deal increased damage to Ariados when using any Flying Moves against him in Gym Battles.

Additionaly, since this Pokemon is also a Poison Type.

It will suffer increased damage from Psychic Type Pokemon, such as Xatu or if damaged by any Psychic Type Moves.

However, it will also take decreased damage when attacked by Grass, Psychic, Dark and Fairy moves.