Data from: Chemical communication is not sufficient to explain reproductive inhibition in the bumblebee Bombus impatiens

Mario Padilla, Etya Amsalem, Naomi Altman, Abraham Hefetz & Christina M. Grozinger
Reproductive division of labour is a hallmark of eusociality, but disentangling the underlying proximate mechanisms can be challenging. In bumblebees, workers isolated from the queen can activate their ovaries and lay haploid, male eggs. We investigated if volatile, contact, visual or behavioural cues produced by the queen or brood mediate reproductive dominance in Bombus impatiens. Exposure to queen-produced volatiles, brood-produced volatiles and direct contact with pupae did not reduce worker ovary activation; only direct contact...
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