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• Aquatic Macros

1.         Body without filamentous gills. . . . . . . . . . . . . . . . . . . . . . . . . . . Acentria ephemerella

           Body with filamentous gils. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.         All gills branched; larvae living in cases cut from leaves of aquatic plants. . . . . . Parapoynx

           Without branched gills or with only a few. . . . . . . . . . . . . . . . . . . . . . . . . . . . . Petrophila

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