| 1. State or province where bee was collected [Explain] |
| 6AL 4CT 4DC 4DE 6FL 6GA 8IL 8IN 6KY 4MA 4MD 4ME 6MI 6MS 6NC 4NH 4NJ 4NY 4New Brunswick 4Newfoundland and Labrador 4Nova Scotia 4OH 4Ontario 4PA 4Prince Edward Island 4Quebec 4RI 6SC 6TN 6VA 4VT 6WI 4WV |
| 2. Sex, number of antennal segments |
| 412, female | 413, male |
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| 3. Head, antennae, scape, color |
| 7Entirely black | 1Yellow |
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| 4. Thorax, scutellum, rim, presence or absence of small lateral teeth |
| 6Absent | 2Present |
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| 5. Male, abdomen, T7, overall shape of rim |
| 1Rim with one sharp, prong-like central projection and broad lateral lobes with acute inner angles | 1Rim with one short, sharp central projection and longer, blunt lateral projections | 1Rim with three prong-like projections, the center projection being the shortest of the three | 1Segment rim broadly convex with a deep U-shaped notch in the center |
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| 6. Male, abdomen, T2-T5, type of hair |
| 1With tufts of distinct curled, long, tan hair on lateral edges | 4Without distinct tufts of long, curled hair on lateral edges |
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| 7. Female, head, clypeus, shape of rim |
| 1Overall shape is straight or slightly incurved with NO clear teeth on far sides or raised knobs, edge may appear slightly wavy or thickened with a pair of obscure teeth near the center | 2Straight or slightly incurved with 1-2 pair of LATERAL teeth, edge may appear slightly wavy or thickened | 1With 2 obtuse black teeth on each FAR side with 3-5 raised yellow knobs in between |
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| 8. Female, head, color of face |
| 3Black with yellow markings | 1Entirely black |
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| 9. Subgenus |
| 6Anthidium 2Proanthidium |