1. Bristles of apical whorls of middle cercal segments about half as long as corresponding segment . . . . . . . . . . . . . . . . . . . . . . . . . Amphinemura nigritta
Bristles at least three quarters length of the segment (Fig. 2.5.1.1). Spring species, mature larvae found from April to early July; larger bristles on femora and tibiae are same color as leg or only slightly darker (Fig.2.5.1.2) . . . . . Amphinemura delosa
Amphinemura varshava is reported for Ohio (DeWalt, et al., 2012) but is not described as the nymph.
One can examine male genitalia on mature nymphs to identify species
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Key to the Genera of Ohio Amphinemura Nymphs
