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<br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br /> <br />DATE <br /> <br />July 25, 1974 <br /> <br />SAMPLE NO. 59 <br /> <br />COLLECTION SITr Canon City, Arkansas River, above Near Canon south side <br /> <br />ORDER FAMILY GENUS SPECIES NO. I ND I V IDUALS <br />Ephemeroptera Heptageniidae Rhithrogena morri soni 1 <br />Ephemeroptera Ephemere 11 i dae Ephemerella i nermi s 18 <br />Odonata Gomphidae Ophiogomphus severus 1 <br />Trichoptera Hydropsychi dae Hydropsyche 2 <br />Co 1 eoptera Dryo pi dae Helichus 1 <br /> <br />. <br /> <br />...., <br />0) <br />(..'1 <br />(;~ <br />