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• Aquatic Macros

1.        Head posteriorly patterned with dark brown marking on a yellow background; abdominal mid-           dorsal stripe brown; male anal plates broadly triangular; female antennae serate, male antennae            pectinate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chauliodes rastricornis Rambur

           Head posteriorly patterened with yellow markings on a dark background; abdominal mid-dorsal            stripe yellow; male anal plates angled t narrow elongate apex; female and male antennae            pectinate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chauliodes pectinicornis (L.)