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<br />AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br /> <br />DATE July 18, 1974 <br />COLLECTION SITE Huerfano River, below Red Wing <br /> <br />ORDER FAMILY GENUS SPECIES <br />Ephemeroptera Heptageniidae Rhi throgena morrisoni <br />Ephemeroptera Ephemere11idae Ephemere11a inermis <br />P1ecoptera Perlodidae Arcynopteryx <br />Pl ecoptera Per10didae Isoper1a <br />P1ecoptera Per1idae Acropeuria <br />Trichoptera Hydropsychidae Hydropsyche <br />Tri choptera Brachycentridae Brachycentrus <br />Di ptera Tipu1idae Hexatoma <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />SAMPLE NO. 40 <br /> <br />NO. INDIVIDUALS <br /> <br />. <br /> <br />. <br /> <br />. <br />