An Aulonium parallelopipedum in Washington Co., Maryland (5/23/2019). Determined by Blaine Mathison/BugGuide. Photo by Mark Etheridge. (MBP list)
An Aulonium parallelopipedum in Prince George's Co., Maryland (5/20/2021). Determined by Blaine Mathison/BugGuide. Photo by Barbara Thurlow. (MBP list)
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