Explanation of Names
Belvosia borealis Aldrich, 1928
Identification
Black wings and calypters, white cheeks, more than one pair of median margins on T1+2 and T3. Other species in the United States and Canada have at most a single pair of median marginals on these tergites, except for B. pollinosa which has darker cheeks.
Range
e. & so. US (VT-MI to FL-NM, CA)
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