Bombus (Psithyrus) norvegicus
(Sparre Schneider, 1918)
Bombus norvegicus occurs from the Pyrenees to the South to Arctic Circle to the North. It occurs at the Far-East of Russia to the East but to the West, it barely reaches the Atlantic coast the the West, being absent from British isles. It is generally very rare where it occurs. It inquilines mainly Bombus hypnorum.