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<br />AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br /> <br />DATE <br /> <br />September 27, 1974 <br /> <br />COLLECTION SITE Canon City, above di scharge <br />ORDER FAMILY GENUS SPECIES <br />Diptera Rhagi oni dae Atherix variegata <br />Trichoptera Brachycentridae Brachycentrus <br />Odonata Gomphidae Ophiogomphus severus <br />Trichoptera Hydropsychidae Hydropsyche <br />Plecoptera Perlidae Acroneuria <br />Ephemeroptera Heptageniidae Rhithrogena <br />Ephemeroptera Baetidae Baetis <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />SAMPLE NO. <br /> <br />84 <br /> <br />NO. INDIVIDUALS <br /> <br />. <br /> <br />11 <br />16 <br />1 <br />13 <br />2 <br />1 <br />1 <br /> <br />. <br /> <br />. <br />