Abdomen, S6, hair on apical half | Abdomen, T3 and T4, numerous black, erect, stiff hairs present on the sides | Abdomen, T6, shape of profile | Abdomen, scopa, color of hair | Abdomen, terga, absence or presence of CONTRASTING white bands of hair along the rims and general color of hair | Head, lateral ocelli, distance between lateral ocelli vs distance from lateral ocelli to back edge of head | 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]

36AL    20CT    31DC    31DE    38FL    37GA    31IL    31IN    28KY    20MA    31MD    19ME    24MI    35MS    38NC    18NH    30NJ    24NY    16New Brunswick    7Newfoundland and Labrador    17Nova Scotia    30OH    22Ontario    32PA    11Prince Edward Island    18Quebec    20RI    37SC    4SD    29TN    37VA    17VT    24WI    36WV   

2. Abdomen, scopa, color of hair    [Explain]

7Black/brown    41White to golden orange   

3. Abdomen, terga, absence or presence of CONTRASTING white bands of hair along the rims and general color of hair    [Explain]

391. Present at least on some of the tergites, note that these bands may run completely across the segment or occur just as short lines on the sides    12. White hairs bands restricted to T3-5, but broad ORANGE colored bands present on T1-T2    23. Absent, all hair DARK    44. Absent, long LIGHT hair throughout T1 and on all or most of T2, sometimes the rim of T2 has dark hairs, all DARK hair on T3-5   

4. Abdomen, T3 and T4, numerous black, erect, stiff hairs present on the sides    [Explain]

21Absent    32Present   

5. Abdomen, T6, shape of profile    [Explain]

321. Flat, or NEARLY so    52. Convex, evenly curved out from base to apical edge, no upturned rim    263. Concave, EVENLY curved in from base to apical edge, no distinctly upturned rim    114. Base curved OUT, however, the NARROW rim is quite abruptly bent up at a slightly obtuse angle   





6. Abdomen, S6, hair on apical half    [Explain]

29All dark brown to black, segment covered in hair    13All light, white to golden orange, segment covered in hair    10Dark hair basally, apical 1/3 of plate is bare, fringe of dark hairs along apical rim    2Dark hair basally, apical 1/3 of plate is bare, fringe of light hairs along apical rim    4Light hair basally, apical 1/3 of plate is bare, fringe of dark hairs along apical rim    7Light hair basally, apical 1/3 of plate is bare, fringe of light hairs along apical rim    10Light on basal portion of plate, dark on apical portion of plate, segment covered in hair    7Light on plate with only the apical fringe dark, segment covered in hair   









7. Head, lateral ocelli, distance between lateral ocelli vs distance from lateral ocelli to back edge of head    [Explain]

19Distance between lateral ocelli GREATER    39Distance between lateral ocelli SMALLER    22Distances EQUAL   




8. Subgenus

1Acentron    2Argyropile    1Callomegachile    4Chelostomoides    3Eutricharaea    1Leptorachis    5Litomegachile    5Megachile    7Megachiloides    2Melanosarus    1Pseudocentron    2Pseudomegachile    4Sayapis    8Xanthosarus