The Early bumblebee (Bombus pratorum) [1] is a frequent visitor of Field scabious (Knautia arvensis). This male is foraging the flowers for nectar.

Literature
1 Nederlands SoortenregisterBombus pratorum (Early bumblebee)♂︎
Knautia arvensis (Field scabious)The Early bumblebee (Bombus pratorum) [1] is a frequent visitor of Field scabious (Knautia arvensis). This male is foraging the flowers for nectar.
Literature
1 Nederlands Soortenregister