I found this Temnothorax queen July 14th 2018 in Nipton, California.
ID Thread: http://www.formicult...rnia-8-31-2018/
1. Location of collection: Nipton, California
2. Date of collection: 7-14-2018
3. Habitat of collection: High desert
4. Length (from head to gaster): 5 mm
5. Color, hue, pattern and texture: Maroon with black gaster
6. Distinguishing characteristics: 12 antennal segments
The queen died before ever getting any workers.