00491nam a2200121Ia 4500008004100000082002400041245013700065260005400202300001400256490005900270600001900329650002100348130903s9999    xx            000 0 und d  aTR 595.799(02)   L3  aA monograph of the western hemisphere bumble bees (Hymenoptera : Apidae; Bombinae); the genus phrobombus, subgenus Cullumane bombus.  aOttawabThe Entomological Society of Canadac1973  a239-333p.  aMemoires of the Entomological Society of Canada; no.91  aMilliron, H.E.  aHymenoptera,Bees