Ptilostomis ocellifera, a giant casemaker caddisfly larvae with case, 19mm. SERC Beaver Pond, Edgewater, Anne Arundel County, MD - 03/21/15. Photo by Robert Aguilar, Smithsonian Environmental Research Center. Genus verified by MD DNR. DNA (COI) barcode matched with Ptilostomis ocellifera (BIN AAA9748).
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