Section 1
Chapter 446

Observations on the parasitic bumble bee Psithyrus norvegicus in a nest of the bumble bee Bombus hypnorum

Roseler, P.F.

Mitteilungen des Badischen Landesvereins fur Naturkunde und Naturschutz 10(3): 579-581


Accession: 000445836

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A B. hypnorum nest found in mid-June in a bird nesting box contained a queen and 34 workers, and also P. norvegicus females. The nest was moved into a room kept at 30 deg C, and by the end of July the number of parasites emerged was 29 females and 53 males.Further studies showed that this host-parasite relationship is specific.P.

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