Isoperla pseudosimilis Szczytko & Kondratieff, 2015

Grubbs, Scott A., 2018, An Update On The Stonefly Fauna (Insecta, Plecoptera) Of Maryland, Including New And Emended State Records And An Updated State Checklist, Illiesia 14 (4), pp. 65-80 : 74

Isoperla pseudosimilis Szczytko & Kondratieff

2015 was described from upstate New York and is currently known from the New England states south to North Carolina and Tennessee ( DeWalt et al. 2018). This montane species was likewise expected from Maryland and all material determined by the author in the mid-1990s as I. similis (Hagen, 1861) were newly determined as I. pseudosimilis using Szczytko & Kondratieff (2015) ( Fig. 27 ).

Figures

Figs. 26–27. Distribution map of four Isoperla species in western Maryland, USA, based on material examined during this study plus records in Duffield & Nelson (1990) and Szczytko & Kondratieff (2015). 26, I. gibbsae and I. kirchneri; 27, I. pseudosimilis and I. similis. MD = Maryland, PA = Pennsylvania, VA = Virginia, WV = West Virginia.