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1.         Hind tibiae each with 2 stout spines; body length no more than 15 mm. . . . . . . . . . . . . . . . . .             . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phylocentropus lucidus

            Hind tibiae each with 3 stout spines; body length of mature larva 15-19 mm. . . . . . . . . . . .                         . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Phylocentropus placidus

* Ohio EPA does not carry this genus to species.