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

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