Female, head, clypeus, color | Male, C. andreniformis vs C. coloradensis | Male, head, color of face below level of antennae including the clypeus | Sex, number of antennal segments | State or province where bee was collected | Subgenus

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Number scored for a state is in green.

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

4AL    2CT    4DC    6DE    4FL    4GA    6IL    6IN    4KY    2MA    6MD    2ME    4MI    4MS    4NC    2NH    4NJ    4NY    2New Brunswick    2Nova Scotia    6OH    2Ontario    6PA    2Prince Edward Island    2Quebec    2RI    4SC    4TN    4VA    2VT    4WI    4WV   

2. Sex, number of antennal segments

3Female, 12    3Male, 13   



3. Female, head, clypeus, color

1Black with a yellow stripe down the middle, or entirely black    1Black with yellow along rim, yellow not reaching to far sides    1Mostly yellow including lateral edges, with two central dark splotches, these sometimes merging along rim   




4. Male, head, color of face below level of antennae including the clypeus

2All yellow    1Yellow and black   



5. Male, C. andreniformis vs C. coloradensis

1C. andreniformis - Femurs entirely, or almost entirely, yellow - Scape entirely yellow - Pits on upperside of abdomen absent or microscopically small - Metanotum laterally with brownish, velveteen-like pubescence obscuring surface, medially with longer, normal hairs    1C. coloradensis - Femurs mostly or entirely brown - Scape dark or yellow only on the front - Pits on abdomen dense, prominent, and easy to see - Metanotum uniformly punctate with normal long hairs throughout   

6. Subgenus

2Calliopsima    2Calliopsis    2Verbenapis