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• Aquatic Macros

1.         Discoidal and median cells of fore-wing small. Discoidal cell of hind-wing open. Fore-wing                      brown, barred with yellow. . . . . . . . . . . . . . . . . . . . . . Macronematinae Ulmer 
                          . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Macrostemem zebratum

            Sternite V with long filament. hind_wings large, rounded, with Sc and R1 markedly bowed                         distally. Antennae slightly crenate. . . . . . . . . . .. . . . . . . . Diplectroninae Ulmer. . . . .                         . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Diplectrona

            Sternite V at most with lobe or faint prominence. Hind-wing constricted womewhat distally.                         Antenne slender, cylindrical. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydropsychinae Curtis 2

2.         Stems of M and Cu1 of hind-wing parallel, very close together; f1 present. . . . . . . . . . . . . . 3

            Stems of hind-wing M and Cu1 not parallel, not close; f1 absent. . . . . . . . . . . . . . . . . . . . . . .             . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cheumatopsyche

3.         In fore-wing, cross-veins M3+4-Cu1 and Cu1-Cu2 close; A in contact with Cu2 prior to wing             margin. Hind-wing median cell open. . . . . . . . . . . . . . . . . . . . . . Potamyia flava (Hagen)

            In fore-wing, cross-veins M3+4-Cu1 and Cu1-Cu2 clearly separated; A terminated at wing                         margin. Hind-wing median cell closed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hydropsyche