Sex, number of antennal segments | State or province where bee was collected | Subgenus | Thorax, mesepisternum, hair color | Thorax, scutellum, presence and type of projection | Thorax, scutellum, size of pits on scutellum vs those found on scutum

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Number scored for a state is in green.

1. State or province where bee was collected

4AR    6AZ    2British Columbia    4CA    4CO    4IA    4ID    4IL    2IN    4KS    4KY    4LA    2MI    4MN    4MO    2MS    4MT    2Manitoba    4ND    4NE    6NM    6NV    4OK    2OR    4SD    2Saskatchewan    2TN    4TX    4UT    2WA    4WI    4WY   

2. Sex, number of antennal segments

3Female, 12    3Male, 13   



3. Thorax, scutellum, presence and type of projection

4The two lobes of the scutellum coming only to blunt points with, at times, a SLIGHT, nipple-like projection, or none at all    4With two short, but clearly projecting, slightly flattened spines on the scutellar lobes   

4. Thorax, mesepisternum, hair color

2Entirely black    4With at least the upper quarter covered in pale hair, but pale often extending down half way   

5. Thorax, scutellum, size of pits on scutellum vs those found on scutum

4All pits approximately the same size    2At least some pits in the center of the scutellal lobes 2-4 times larger   

6. Subgenus

4Melectomorpha    2Xeromelecta