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]

16AL    21CT    18DC    18DE    30Eastern North America - ONT to AR east    16FL    20GA    25IL    25IN    19KY    22MA    21MD    21ME    26MI    15MS    23NC    20NH    22NJ    27NY    19New Brunswick    7Newfoundland and Labrador    20Nova Scotia    21OH    25Ontario    22PA    13Prince Edward Island    20Quebec    20RI    20SC    20TN    21VA    18VT    26WI    21WV   

2. Abdomen, bottom, hairs on underside - Scopa

19Mostly very dark to black    10Mostly 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    18Slightly concave    4Slightly 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

24Pits go all the way to the edge or to within a pit diameter or two    7Wide, unpitted band at least one quarter the longitudinal length of segment    15With an unpitted band, less than one quarter the longitudinal length of the segment   




5. Body color

7Black    1Brilliant metallic blue or green, similar to Augochlora or Agapostemon    29Dull metallic blue or green   

6. Subgenus

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