https://www.usgs.gov/media/images/dianthidium-parkeri-face-cochise-co-az
Dianthidium parkeri, face, Cochise Co., AZ | U.S. Geological Survey
A pollen laden Dianthidium parkeri from Cochise County, Arizona collected by Don Harvey. This genus is associated with drylands. A few occur in the East, but...
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