Abdomen, T2 and T3, position of distinct, light-colored, hair bands near the rim of the segment, if present | Abdomen, T2, color of interband hair - The often sparse hairs that lie between the band of white on or near the rim and the band of white hair that usually follows the base of the segment and is sometimes partially hidden by the overlap with the preceding abdominal segment | Abdomen, T4, color of thickened, sub-erect hairs present just behind or in the back edge of the distinct, light-colored hair band of hairs that lies just behind or on the rim of the segment - These hairs are much longer and sparser than those in the hair band and are most easily seen from the side | Head, antennae, shortest length of 1st flagellar segment vs length of pedicel | Head, clypeus, color | Head, labrum, color | Head, mandibles, color | Head, vertex, color of hair - These hairs include those on the actual vertex and those that may be coming up from underneath the back of the head | State or province where bee was collected | Thorax, scutum and scutellum, color of hair - Be sure to look at all angles as dark hair can look very light when viewed from the top rather than the side or rear

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Number scored for a state is in green.
1. State or province where bee was collected    [Explain]

19AL    10CT    19DC    19DE    19FL    20GA    24IL    24IN    24KY    11MA    20MD    9ME    20MI    23MS    22NC    9NH    20NJ    16NY    6New Brunswick    3Newfoundland and Labrador    6Nova Scotia    20OH    15Ontario    19PA    3Prince Edward Island    5Quebec    10RI    22SC    12SD    19TN    21VA    9VT    21WI    20WV   
2. Head, clypeus, color

7Black with some patches of yellow or off-white    1Entirely black    27Entirely yellow or off-white, may be narrowly outlined in black around margin and tentorial pits   



3. Head, labrum, color

19Black with a patch of yellow or off-white    14Entirely black or brown    13Entirely yellow, may be narrowly outlined in black or brown   
4. Head, mandibles, color

19Black with gold on APEX only    15Black with yellow on BASE and gold on APEX    3Black with yellow on BASE only    4Entirely black   
5. Head, vertex, color of hair - These hairs include those on the actual vertex and those that may be coming up from underneath the back of the head

1All DARK    27All LIGHT    9Both dark and light hairs   
6. Thorax, scutum and scutellum, color of hair - Be sure to look at all angles as dark hair can look very light when viewed from the top rather than the side or rear

1All DARK    17All LIGHT    16More than half of both plates covered in dark, edges likely outlined with light hairs, especially upper edge of scutum    12Scutum mostly light with a small dark spot, scutellum may be light or may be dark in the center and outlined in light   
7. Abdomen, T2 and T3, position of distinct, light-colored, hair bands near the rim of the segment, if present

3Band of hairs set right ON the rim    21Band of hairs significantly set back from apical rim, especially so in the center    8Hair bands ABSENT, may possess lateral patches of dense, plumose hairs   
8. Abdomen, T2, color of interband hair - The often sparse hairs that lie between the band of white on or near the rim and the band of white hair that usually follows the base of the segment and is sometimes partially hidden by the overlap with the preceding abdominal segment    [Explain]

18All LIGHT    21All or partly DARK   
9. Head, antennae, shortest length of 1st flagellar segment vs length of pedicel

16Clearly greater than    23Less than or equal to   
10. Abdomen, T4, color of thickened, sub-erect hairs present just behind or in the back edge of the distinct, light-colored hair band of hairs that lies just behind or on the rim of the segment - These hairs are much longer and sparser than those in the hair band and are most easily seen from the side

15Black    21Light, white to golden blond    13Mixed light and dark