Burrowing bee for ID please

Burrowing bee for ID please

Observation - Burrowing bee for ID please. Description: One of an active group of bees that have burrowed into soft sand - apparently very recently. I was surprised to see them so active this late in the year. Probably about 50 holes within about a 2m square.

One of an active group of bees that have burrowed into soft sand - apparently very recently. I was surprised to see them so active this late in the year. Probably about 50 holes within about a 2m square.