Bombus norvegicus Sparre-Schneider, 1918
Eurosibiric and rare species, known with certainty in the Iberian Peninsula in the Pyrenees with very scarce previous records (only eigth individuals) at about 1500-1600 m of altitude in areas of forest and plows (Yarrow, com. pers. in Ornosa 1984, Ornosa & Ortiz-Sánchez 2004). B. norvegicus is a social parasite of B. hypnorum .
It was assessed as Deficient Data (DD) in the IUCN Spanish Red List (Verdú & Galante, 2006) and it is not considered threatened at a continental scale, according Rasmont et al. (2015), who assessed it as Least Concern in the IUCN Red List of European Bees but it has not been found in recent samplings in the Pyrenees (Table 3).