1. Head, thorax, and legs with long hairs; abdominal terga with tubercles on segments 3 to 8; maxillary palpi two-segmented; tarsal claws with 5-7 denticles . . . . . . Saratella sordida
Head, thorax, and legs without long hairs; abdominal terga with tubercles on segments 2 to 8; maxillary palpi with a single segment; tarsal claws with 6 to 8 denticles. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Saratella frisoni
Key to Ohio Serratella Nymph Species