D. aurifusca vs other species | D. rohweri vs other species - The guide creator has not seen this species and is referencing the key by Hurd Jr - It is PROBABLY safe to assume you do not have this species | Sex, number of antennal segments | State or province where bee was collected

Check boxes for all that apply. If uncertain, skip character or select several states. Then click on any search button.
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Number scored for a state is in green.

1. State or province where bee was collected

6AZ    8CA    10CO    8ID    2ND    6NM    8NV    8OR    4TX    8UT    4WA    4WY   

2. Sex, number of antennal segments

5Female, 12    5Male, 13   

3. D. aurifusca vs other species

2D. aurifusca - Distinct golden hairs present throughout the body, these often most obvious on the terga where the inidvidual hairs are often HEAVILY BRANCHED at the base and thus somewhat triangular in shape as a result    8Other species - The hairs of the body are white to off-white in color, usually not triangular in shape   



4. D. rohweri vs other species - The guide creator has not seen this species and is referencing the key by Hurd Jr - It is PROBABLY safe to assume you do not have this species

2D. rohweri - There is no description given for the female, but it is assumed rare due to its restriction to Colorado and the lack of specimens - The male is similar to that of pacificus, although it may be differentiated from that species by a small, semicircular emargination medial in the rim of S2    8Other species - Not as above