Dzienny rozkład wykorzystania pyłku kwiatowego przez pszczołę miodną (Apis mellifera L.) [Daily distribution of pollen collection by honeybee foragers (Apis mellifera L.)]

In May, July and September pollen loads samples were collected from 20 honeybee colonies, during 4 days at fixed hours. The pollen loads were classified into botanical taxons. Pollen loads of every examined taxon were collected during the whole day. The daily dynamics of pollen collection depends more on time of the day than temperature