1. Longest marginal bristles on apical abdominal terga about three-quarters as long as corresponding tergum (Fig. 2.5.1.1); intermediate hairs on cercal segments well developed (Fig. 2.5.1.2); white spots on head, covering both sides of Y ecdysial line (Fig. 2.5.1.3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Prostoia completa
Longest marginal bristles on apical abdominal terga about one-third as long as corresponding tergum (Fig. 2.5.1.4); intermediate hairs on cercal segments poorly developed (Fig. 2.5.1.5); white spots on head restricted to area posterior to Y ecdysial line (Fig. 2.5.1.6) . . . . . . . . . . . . . . . Prostoia similis
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Key to the Species of Ohio Prostoia Nymphs
