1.caught: ~ 40 miles NE of Barstow, CA
2. time: 11 sep (today)
3. Mojave Desert: grass/sand/rock, found on a building top, seeking moisture in cracks/under some boards
4. 8-9mm
5. glossy black
6. close as I can tell with the wings, one petiole
7. quite active
8. nests in area seem to be typical harvester types, lots of dark red ants, a couple large colonies of a small black harvester type.