Abdomen, S4, apical hair fringe | Abdomen, T1 and T2, color of integument | Abdomen, T1, hair pattern | Abdomen, T2, hair pattern, apical hair band | E. canadensis vs all, thorax, color of hair on metanotum | E. weemsi vs all | Head, area bordering the inner margin of the eyes between the antennal sockets and the lateral ocelli, appearance | State or province where bee was collected | Thorax, axilla, proportion of inner margin shared with scutellum | Thorax, axillae, outer margin | Thorax, axillae, shape of inner margins | Thorax, length of axilla - This is done by looking at the specimen from the side and noting whether the tips go beyond the outermost point of the center of the scutellum | Thorax, pronotal collar, color | Thorax, scutum, color

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Number scored for a state is in green.

1. E. weemsi vs all    [Explain]

19DEFAULT option, choose this option first to select only well known species    1RARE bee, mark this option ONLY if you are having trouble resolving the guide   

2. E. canadensis vs all, thorax, color of hair on metanotum

19All others - Entirely, or almost entirely covered with thick white hair    1E. canadensis - With a SPOT of DARK hair in the center and white hair on the sides   



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

13AL    9CT    8DC    11DE    14FL    13GA    9IL    9IN    8KY    9MA    9MD    4ME    8MI    13MS    12NC    4NH    7NJ    9NY    9OH    10PA    9RI    12SC    11TN    9VA    4VT    10WI    8WV   

4. Head, area bordering the inner margin of the eyes between the antennal sockets and the lateral ocelli, appearance

18NORMAL, area essentially flat and deeply pitted    4With a SHINY, unpitted, slightly SWOLLEN along the inner margin of the eye in this area - If with any pits, then they will be tiny as pin pricks    1With a prominent unpitted, but finely roughened BUMP located just in from each eye and about half way between the antennal socket and lateral ocellus   

5. Thorax, pronotal collar, color    [Explain]

171. All or mostly BROWN/BLACK    62. All or mostly all AMBER   



6. Thorax, scutum, color    [Explain]

161. Completely dark BROWN/BLACK    82. Mostly dark BROWN/BLACK with amber colored outer margins    13. Half or more AMBER colored   




7. Thorax, axillae, shape of inner margins

13Inner margins of axillae are STRAIGHT from base to tip    11Tips of axillae strongly CURVED inward, diverging from sides of scutellum, appearing HOOKED   



8. Thorax, axilla, proportion of inner margin shared with scutellum    [Explain]

81. About half or less shared    162. More than half shared, but less than 3/4    93. 3/4 or more shared with the scutellum   




9. Thorax, length of axilla - This is done by looking at the specimen from the side and noting whether the tips go beyond the outermost point of the center of the scutellum    [Explain]

161. Clearly NOT reaching the rear margin of the scutellum    92. Extending TO or very nearly to the rear margin of the scutellum    53. Clearly extending PAST the rear margin of the scutellum   




10. Thorax, axillae, outer margin

61. Evenly ROUNDED from top to side - Much thicker than a coin when viewed from the side    42. SQUARED-OFF and very THIN, when viewed from the side resembling the edge view of a coin with an even thickness from base to tip    93. Strongly CARINATE, or with a thin raised ridge along entire outer margin, as if there were a little, tiny, fence on the dorsal surface, from the side appears wedge shaped with the base noticeably thicker and tapering in thickness towards the tip   




11. Abdomen, T1 and T2, color of integument

171. Both primarily BROWN/BLACK    22. Both primarily AMBER    23. T1 AMBER, T2 primarily BROWN/BLACK   




12. Abdomen, T1, hair pattern    [Explain]

31. LACKING a distinct apical hair band    152. Apical hair band widely CONNECTING at sides with basal hair    63. Apical hair band NOT or very thinly connecting at sides with basal hair   




13. Abdomen, T2, hair pattern, apical hair band    [Explain]

2LACKING an apical hair band    7With a COMPLETE apical hair band, lacking any interruption in center    14With a distinct apical hair band that is medially INTERRUPTED   




14. Abdomen, S4, apical hair fringe

8Fringe composed of ALL long hair, or with the hairs in the middle only slightly shorter than hair on the sides    11Fringe composed of long hair on sides with hair in middle lacking or dramatically shorter