Abdomen, T2, longitudinal width of band along posterior rim with no pits, not even small ones | Abdomen, bottom, hairs on underside - Scopa | Body color | Head, clypeus, rim, mid section | 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]

15AL    21CT    18DC    18DE    31Eastern North America - ONT to AR east    15FL    19GA    25IL    25IN    19KY    22MA    21MD    22ME    26MI    14MS    21NC    20NH    22NJ    27NY    19New Brunswick    8Newfoundland and Labrador    21Nova Scotia    22OH    26Ontario    23PA    14Prince Edward Island    21Quebec    20RI    19SC    20TN    21VA    18VT    26WI    21WV   

2. Abdomen, bottom, hairs on underside - Scopa

20Mostly very dark to black    9Mostly white, off-white, or dirty white    4Mostly yellow-brown or yellow-orange, or yellow-rufous   

3. Head, clypeus, rim, mid section

22-3 prominent teeth located closely together in center of clypeus    19Slightly concave    2Slightly convex    23Straight    2With 2 extremely large obvious horns on outside edges    1With deep, wide rectangularish notch    1With narrow, sharp ridge running along edge   








4. Abdomen, T2, longitudinal width of band along posterior rim with no pits, not even small ones

23Pits go all the way to the edge or to within a pit diameter or two    8Wide, unpitted band at least one quarter the longitudinal length of segment    16With an unpitted band, less than one quarter the longitudinal length of the segment   




5. Body color

8Black    1Brilliant metallic blue or green, similar to Augochlora or Agapostemon    29Dull metallic blue or green   

6. Subgenus

1Acanthosmioides    1Cephalosmia    2Diceratosmia    4Helicosmia    20Melanosmia    3Osmia