| 1. State or province where bee was collected |
| 6AZ 2LA 2OK 2TX |
| 2. Sex number of antennal segments |
| 4Female 12 4Male 13 |
| 3. Females, thorax, scutum, hair color |
| 2Hair entirely black or very nearly so 2Hair entirely pale, yellowish to light brownish |
| 4. Females, hindleg, scopal hair color |
| 2Both black and white hairs clearly present, with the black hairs present dorsally and the white hairs present ventrally on the tibia 2Entirely dark, brownish or black, with at most slightly lighter brownish hairs along the bottom 1Entirely whitish or nearly so |
| 5. Males, mesepisternum, hair color |
| 2All pale yellowish hairs, however, a few may have a very small amount of black hairs present ventrally 3Extensive amounts of black hair present, at least ventrally |
| 6. Males, abdomen, T5, lateral white hair patches |
| 3Absent 2Present |