First record of Andrena chrysopus Perez, 1903 (Hymenoptera: Apiformes: Andrenidae) in Poland

The paper presents data about the first record of Andrena chrysopus Perez, 1903 in Bydgoszcz, Poland (the Wielkopolsko-Kujawska Lowland). It is an oligolectic species, closely linked to plants in the genus Asparagus sp. During 2018–2019 (May–June), 54 speciemens of the species were collected at 9 sites during the flowering period of the host plant. The bees were recorded in dry and well sunlit biotopes on the outskirts of the city and in residential-industrial districts. The observations confirmed the occurrence of stable populations of A. chrysopus. However, increasing urbanisation and succession may threaten the presence of the species in the genus Asparagus sp., and thus A. chrysopus, which strongly relies on these species' food sources.