Mining bee - early June

Mining bee - early June

Observation - Mining bee - early June. Description: I found an adult violet oil beetle here in the spring. As it is associated with mining bees I later looked for holes where I'd found it, and found about 11 over the area of lawn which is a slight slope (south facing). I caught the bee in the photos by put

I found an adult violet oil beetle here in the spring. As it is associated with mining bees I later looked for holes where I'd found it, and found about 11 over the area of lawn which is a slight slope (south facing). I caught the bee in the photos by putting a glass over a hole, but struggled to get a good photo. Activity ended shortly afterwards. I'd like to learn which species the oil beetle was associated with if possible.