Synonyms: Gelis albulae; Gelis alpigena; Gelis apterus (heterotypic); Gelis breviceps; Gelis celer; Gelis cephalotes; Gelis cuculliae; Gelis cursor; Gelis eupitheciae; Gelis instabilis; Gelis intrans; Gelis laricellae; Gelis leucurus; Gelis lineatus; Gelis mediocris; Gelis microrum; Gelis monozonius (heterotypic); Gelis nigerrimus (heterotypic); Gelis rosarum; Gelis rossicus; Gelis ruficornis; Gelis rufostictus; Gelis thoracicus; Gelis vanessae; Ichneumon agilis (homotypic); Ichneumon ruficornis (heterotypic); Pezomachus instabilis