Robert Tait's Hill / May 31st, 2019
Possibly A. harpae or A. angustatus. Also consider A. neglectus (Lilljeborg, 1900).
See Sinev, A. (2009). Discrimination between two sibling species of Acroperus (Baird, 1843) from the Palearctic (Cladocera: Anomopoda: Chydoridae). Zootaxa, 1-21. 10.5281/zenodo.189352. [View Online]
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