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Isoperla arcana Beaty & Holland & Lenat 2017, sp. nov.
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Isoperla borisi Beaty & Holland & Lenat 2017, sp. nov.
Isoperla borisi Beaty & Holland & Lenat 2017, sp. nov. ...
Isoperla arcana Beaty & Holland & Lenat 2017, sp. nov. ...