Surviving in the absence of flowers: do nectar yeasts rely on overwintering bumblebee queens to complete their annual life cycle?

1. Pozo, M.I.
2. Bartlewicz, J.
3. van Oystaeyen, A.
4. Benavente, A.
5. van Kemenade, G.
6. Wäckers, F.
7. Jacquemyn, H.