Ueber Schmarotzerhummeln in einem Neste der Feldhummel (Bombus agrorum)
Published in Deutsche Entomologische Zeitschrift, in 1887, in volume 1887, issue 1, pages 224
Date published:1887
Published in Deutsche Entomologische Zeitschrift, in 1887, in volume 1887, issue 1, pages 224
Date published:1887