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• Aquatic Macros

1.         Front tibiae with apical spurs absent or hairlike. . . . . . . . . . . .  Protoptila maculata (Hagen)

            Front tibiae with both apical spurs prominent and sclerotized. . . . . . . . . . . . . . . . . . . . . . . . 2

2.         Head with 1 or both pairs of dorsal warts connected by sutures running across epicranal stem;             hind wings with radial sector apparently 2-branched. . . . . . . . . . . . . . Agapetus tomus Ross

            Head with neither pair of dorsal warts connected by sutures; hind wings with radial sector                         4-branched. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glossosoma