Couldn't get a good head shot, it was biting the bag
New translocation site called "PT8" along Boneyard Creek, eastern AZ.
Second and Third photograph the bee is on Penstemon eatoni
Abdomen coloration: T1 yellow, T2 and T3 orange, T4 yellow, T5 black. Very common in this area. Species ID based on Bumble Bees of the Western United States by Koch, Strange, and Williams