1.         Abdominal segments with conspicuous color pattern consisting of transverse bands on             most or all tergites . . . . . . . . . . . . . . . . . . . . . . . . . . .Paragnetina immarginata*

            Abdominal tergites uniformly brown or with a few light spots or indistinct streaks on             distal segments or (rarely) with a faint median line . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.         Anterior and posterior margins of dorsum of head light and distinctly contrasting with             dark areas; a few lightt spots on apical abdominal segments . . . . . . . . . . . . . . . . . . .             . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Paragnetina kansensis*

            Anterior and posterior markings of dorsum of head not distinctly contrasting with             brown background, margins of light areas not clearly defined (Fig. 1.1); abdominal             tergites uniformly brown, except rarely a faint, light median line or faint transverse             streaks on distal segments (Fig. 1.2). . . . . . . . . . . . .Paragnetina media

* not reported for Ohio but found in neighboring states and expected for Ohio

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Stoneflies of Ohio

Key to the Genera of Ohio Paragnetina Nymphs

(From Unsicker & McCaskill, 1982)