For citations:

Baykov M.V. The timing of the release of bumblebees of the genus Bombus (Hymenoptera: Apidae) from the state of winter diapause in the Leningrad province. Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii. 2024;(249):76-86. (In Russ.) https://doi.org/10.21266/2079-4304.2024.249.76-86