1.         The last abdominal segment with four divergent appendages. Appendages are directed
            forward or outward, stiff and barely movable. . . . . . . . . . . . . . . Limnophora discreta

            Habitus not as above, appendages not divergent. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.         Abdominal segments without any appendages, only with two prominent spiracular fields.
            . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lispe

            Not as above. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Lispoides aequifrons

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Flies (Diptera) of Ohio

Key to Muscidae Nymph Genera

Modified from Sundermann, et al., 2007