Larvae and pupae of Atrichopogon winnertzi Goetgebuer and A. oedemerarum StorÅ are described and illustrated. Larvae of both species are terrestrial and associated with rotting pine wood. Diagnoses are given for all stages. Immature stages of A. oedemerarum are described for the first time. A. meloesugans Kieffer, 1922 is recognized as a junior synonym of A. winnertzi Goetghebuer, 1922. Keys are provided to European subgenera of Atrichopogon based on all stages.