Female, head, length vs width - Width measured as distance between outer edges of eyes and length measured as distance from vertex margin to rim of clypeus | Front wing, point at which 2nd recurrent vein joins 2nd submarginal cell | Male, abdomen, S6, rim | Sex, number of antennal segments | State or province where bee was collected | Thorax, upper side, color of hair

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Number scored for a state is in green.

1. State or province where bee was collected    [Explain]

2AL    2CT    6DC    6DE    2FL    2GA    6IL    6IN    6KY    2MA    6MD    2ME    8MI    2MS    4NC    2NH    6NJ    6NY    6OH    6PA    2RI    4SC    2SD    4TN    6VA    2VT    6WI    6WV   

2. Sex, number of antennal segments

4Female, 12    4Male, 13   



3. Front wing, point at which 2nd recurrent vein joins 2nd submarginal cell

2Joining at the extreme outer edge of the cell, the 2nd recurrent vein joining less than one vein width in from the outer vein of the 2nd submarginal cell    6Joining well inside the cell, at least 2 full vein widths in from the outer vein of the 2nd submarginal cell   

4. Female, head, length vs width - Width measured as distance between outer edges of eyes and length measured as distance from vertex margin to rim of clypeus

2Distinctly LONGER than wide    2WIDER than long   

5. Thorax, upper side, color of hair

3Brown to black    2Pale   

6. Male, abdomen, S6, rim

2LACKING a projection in the middle that extends past the thin, clear rim    1WITH a central, long, spine-like projection EXTENDING WELL PAST the thin, clear rim    1With a large, ventrally directed and laterally flattened projection covered in long black hairs