A.  Løken, Pekkarinen, A., and Rasmont, P., ?Apis terrestris Linnaeus, 1758, A. muscorum Linnaeus, 1758 and A. lucorum Linnaeus 1761 (currently Bombus terrestris, B. muscorum and B. lucorum) and Bombus humilis Illiger, 1806 (Insecta, Hymenoptera): proposed conservation of usage of specific names.?,  Bull. Zool. Nomenclature, vol. 51, pp. 232-236, 1994.