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<br />DATE July 24, 1974 <br /> <br />COLLECTION SITE <br /> <br />ORDER <br /> <br />Diptera <br />Ephemeroptera <br />Pl ecoptera <br />Tri choptera <br />Trichoptera <br />Trichoptera <br />Di ptera <br />Ephemeroptera <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br /> <br />Arkansas River, down from Texas Creek entrance (mile) <br /> <br />FAMILY <br /> <br />GENUS <br /> <br />Tipulidae <br /> <br />Heptageniidae <br /> <br />Perlidae <br /> <br />Brachycentridae <br /> <br />Hydropsychidae <br /> <br />Hydropsych i dae <br />Rhagionidae <br /> <br />Ephemerellidae <br /> <br />Tipula <br />Rhithrogena <br />Acroneuria <br />Brachycentrus <br />Hydropsyche <br />Arctopsyche <br />Atherix <br />Ephemerella <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />SPECIES <br /> <br />morri soni <br /> <br />variegata <br />inermis <br /> <br />. <br /> <br />SAMPLE NO. 58 <br /> <br />NO. INDIVIDUALS <br /> <br />1 <br />3 <br />4 <br />9 <br />4 <br />1 <br />1 <br />12 <br /> <br />. <br /> <br />. <br /> <br />. <br />