Bee - white tail

Bee - white tail

Observation - Bee - white tail. Description: First photo - bee on allium, tended to fly off a short distance if approached too closely. Second photo - similar bee seen few days previously. Are they the same species?

First photo - bee on allium, tended to fly off a short distance if approached too closely.

Second photo - similar bee seen few days previously.

Are they the same species?