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• Aquatic Macros

1.        Fore wing with white spots in many cells; 20 veins or more reaching wing margin posteriad of            R1, M vein with 3 branches reaching wing margin. . . . . . . . . . . . Corydalus cornutus Lateille

           Fore wing lacking white spots, or white spots less widely distributed; less than 20 veins raching            wing margin posteriad of R1; M vein with 2 branches reaching wing margin . . . . . . . . . . . . . . 2

2.        Wings dark with white spots and patches. . . . . . . . . . . . . . . . . . . . . . . . . . . . Nigronia Banks

           Wings pale gray-brown, mottled. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chauliodes Lateille