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<br />AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br /> <br />DATE June 27, 1974 <br />COLLECTION SITE Grape Creek, below Westc1iff, riffle <br />ORDER FAMILY GENUS SPECIES <br />Diptera Tipu1idae Ho1orusia <br />Tri choptera Hydropsychi dae Hydropsyche <br />Diptera Tendipedidae <br />Ephemeroptera Baetidae Baetis <br />P1 ecoptera Per10didae Isogenus <br />Ephemoptera Tricorythidae Tri corythodus <br />Ephemeroptera Ephemere 11 i dae Ephemere 11 a <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />SAMPLE NO. 24 <br /> <br />NO. INDIVIDUALS <br /> <br />2 <br />25 <br />2 <br />2 <br />26 <br />1 <br />24 <br /> <br />. <br /> <br />. <br /> <br />. <br />