Bee

Bee

Observation - Bee. Description: Tiny bee at first thought Tawny mining bee but its abdomen was black it was feeding on alpines in a stone wall.I thought it may be a leaf cutter bee but really need some help with the identification. Thanks

Tiny bee at first thought Tawny mining bee but its abdomen was black it was feeding on alpines in a stone wall.I thought it may be a leaf cutter bee but really need some help with the identification.
Thanks