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Synecological relationships between robber bumble bees and honeybees

, : Synecological relationships between robber bumble bees and honeybees. Apicoltura (4): 83-91

From various studies in Italy it has been reported that some Bombus species, especially B. terrestris which has a rather short ligula, are nectar robbers of flowers with a very long narrow corolla. They gain access to nectar by piercing the base of the calyx and honeybees may then also collect nectar through these holes.

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