Abdomen, T2, width of the unpitted border along rim | Abdomen, T6, rim outline - Make sure you are looking at T6, not T7 | Body, color of integument | State or province where bee was collected | Subgenus | Thorax, propodeal pit, inner surface appearance | Thorax, propodeal pit, shape

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Number scored for a state is in green.

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

15AL    20CT    19DC    18DE    14FL    19GA    23IL    24IN    19KY    21MA    21MD    20ME    25MI    14MS    21NC    20NH    22NJ    26NY    17New Brunswick    6Newfoundland and Labrador    19Nova Scotia    21OH    24Ontario    22PA    13Prince Edward Island    19Quebec    20RI    19SC    20TN    21VA    18VT    25WI    20WV   

2. Body, color of integument

3Black with metallic reflections    4Black, no metallic reflections    27Blue, purple, or gold-green with metallic reflections    1Brilliant green with bluish metallic reflections   





3. Abdomen, T6, rim outline - Make sure you are looking at T6, not T7

1Center is smoothly convex, on either side are 2 large, acute, pointed teeth    2Center is smoothly convex, on either side are 2 very large, rounded lobes    20Notched in the center    9Unnotched or otherwise modified, smoothly convex across entire rim   





4. Thorax, propodeal pit, shape    [Explain]

6Circular or raindrop shaped depression    11Oval shaped depression, ends broadly rounded like an egg    19Oval shaped depression, ends narrowly rounded, like a grain of rice    4Parallel sided trench, deep and narrow - Appearing as a slit on the surface    9Parallel-sided depression, ends blunted, shallow, not a deep trench   






5. Thorax, propodeal pit, inner surface appearance    [Explain]

10Finely pebbled, coarse, and dull    3Not visible because the opening is just a slit    5Rim area finely roughened or pebbled, shiny within    20Smooth and shiny   





6. Abdomen, T2, width of the unpitted border along rim

23NARROW - Less than 1/6 the median width of segment    10WIDE - Greater than one sixth of segment   



7. Subgenus

1Cephalosmia    2Diceratosmia    4Helicosmia    19Melanosmia    3Osmia