[Comparative studies on the pairing swarm in bumblebees (Bombus) and parasitic bumblebees (Psithyrus). I].
D000819:Animal Communication; D000818:Animals; D001516:Bees; D001947:Breeding; D003380:Courtship; D004777:Environment; D005260:Female; D007989:Libido; D008297:Male; D012621:Seasons; D013045:Species Specificity; D014887:Weather
Vergleichende Verhaltensstudien zum Paarungsschwarm der Hummeln (Bombus) un Schmarotzerhummeln (Psithyrus). I.