| 1. State or province where bee was collected |
| 11AZ 8Baja California Norte 11CA 3Chihuahua 1Coahuila 3NM 6NV 1Nuevo Leon 4Sonora 1TX 1UT |
| 2. Body length in mm, when measured from tip of abdomen to front of head |
| 33 84 115 106 87 38 |
| 3. Head, mandible, presence and form of inferior tooth |
| 21. Simple or nearly so - There is either no inferior tooth or there is a very weak angle where one would normally be such that there is neither a point nor a rounded projection 72. Inferior tooth pointed - There is an obvious, small tooth coming off the inside of the mandible near the tip that is nearly parallel to the main blade 43. Inferior tooth distinct and right angular 54. Inferior tooth truncated - The inferior tooth is very large and blunt, lacking rounding although sometime it may be slightly concave between the edges of the truncate area |
| 4. Head, overall shape |
| 21. Very long - The head is very clearly much longer than wide 52. Normal or VERY slightly long - The head is roughly square when viewed from the front, sometimes appearing slightly longer than broad 83. Very wide - The head is clearly broader than long |
| 5. Thorax, scutellum, integumental luster |
| 121. Granulated - With few reflections, if any 32. Shiny - With very little sculpturing, appearing highly reflective |
| 6. Abdomen, overall integumental color NOT counting the apical rim |
| 111. Black to brown, sometimes with slight reddening 42. With metallic blue coloration |