| 1. State or province where bee was collected [Explain] |
| 18AL 10CT 18DC 20DE 17FL 19GA 24IL 24IN 24KY 11MA 22MD 9ME 20MI 22MS 22NC 9NH 20NJ 16NY 6New Brunswick 3Newfoundland and Labrador 6Nova Scotia 20OH 16Ontario 19PA 3Prince Edward Island 5Quebec 10RI 22SC 14SD 19TN 22VA 9VT 21WI 20WV |
| 2. Head, vertex, color of hair - These hairs include those on the actual vertex and those that may be coming up from underneath the back of the head |
| 7All dark 16All light 18With both light and dark hairs |
| 3. Thorax, scutum and scutellum, color of hair - Be sure to look at all angles as dark hair can look very light when viewed from the top rather than the side or rear [Explain] |
| 6All dark 10All light 8Light with a small spot of dark in the center of the scutum, scutellum may be light or may be dark in the center and outlined in light 19More than half of both plates covered in dark, edges likely outlined with light hairs, especially upper edge of scutum |
| 4. Thorax, mesepisternum, color of hair [Explain] |
| 3All dark 23All light 7Light on top, dark on bottom and on face that curves to the front 5Mixed light and dark |
| 5. Abdomen, T2, pits across the middle of the DEPRESSED apical portion, posterior to hair band, if present - Check from all angles carefully as pits may be shallow and hard to see [Explain] |
| 19Absent, completely or almost completely unpitted 5Hair band covering this area 20Present, often fine as pinpricks, each pit may have a hair in it |
| 6. Abdomen, T2 and T3, position of apical hair bands [Explain] |
| 5Lacking hair bands 24Set back from the rim, especially in the center 5Set on the rim |
| 7. Abdomen, T4, color of hair band bordering rim, - Sometimes the band may move back from the rim in the center - Be careful of worn specimens with hairs rubbed off |
| 3Black with two large, lateral patches of white hair, widely interrupted medially 9Completely dark 21Completely light 5Dark and light colored hairs intermixed 3Lacking a hair band, with only few, scattered, dark hairs 13White with a spot of dark hairs medially |
| 8. Subgenus |
| 3Apomelissodes 2Callimelissodes 18Eumelissodes 1Heliomelissodes 4Melissodes |