URN:NBN:SI:doc-GKYL1S0D2013Stewart, Kenneth W.Szczytko, Stanley W.documents/doc/G/URN_NBN_SI_doc-GKYL1S0D_001.pdfdocuments/doc/G/URN_NBN_SI_doc-GKYL1S0D_001.txt49articlestr. 28-3312200851854-03921855-5810URN:NBN:SI:doc-GKYL1S0DengMississipi College, Dept. of BiologyPrirodoslovni muzej SlovenijeIlliesiaInCentomologyIsoperlanew speciesOregonPerlodidaePlecopteraUnited States of AmericaUSAwinter stonefliesIsoperla umpqua, a new species of western Nearctic stonefly (Plecoptera: Isoperlinae)