What is the primary risk associated with disturbing the soil while the ashy mining bees are actively flying in spring?

Answer

Harming the developing brood inside the underground chambers.

Disturbing the soil actively during the flight season is counterproductive because it risks physical damage to the provisioned nest cells containing the developing larvae underground.

What is the primary risk associated with disturbing the soil while the ashy mining bees are actively flying in spring?
insectbeemanagementPest Controlashy