1. Location of collection: Found on the sidewalk near a suburban park and my pool
2. Date of collection: 9/09/15
3. Habitat of collection: -
4. Length (from head to gaster): 5-6 mm
5. Color, hue, pattern and texture: Black
6. Distinguishing characteristics: Two node petiole.
Could these be... Monomorium? I have no clue, but that's just what popped into my head when I looked at 'em.