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<br />AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br /> <br />DATE <br /> <br />July 23, 1974 <br /> <br />SAMPLE NO. 48 <br /> <br />COLLECTION SITE Arkansas River, east of Sewage Treatment Plant lagoons, below Buena Vista <br /> <br />ORDER FAMILY GENUS SPECIES NO. INDIVIDUALS <br />Plecoptera Perl idae Acroneuria 1 <br />Trichoptera Hydropsychidae Arctopsyche 1 <br />Trichoptera Hydropsychidae Hydropsyche 1 <br />Ephemeroptera Baetidae Baeti s 6 <br />Plecoptera Perlodidae Isoperl a 1 <br />Di ptera Tendipedidae 1 <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br />