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<br /> AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br />DATE July 24, 1974 SAMPLE NO. 56 <br />COLLECTION SITE South Arkansas River, in Poncha Springs at Highway Bridge <br />ORDER FAMILY GENUS SPECIES NO. INDIVIDUALS <br />Ephemeroptera Ephemerellidae Ephemere 11 a inermis 12 <br />Ephemeroptera Leptophlebiidae Paraleptophlebia 4 <br />Diptera Rhagionidae Atherix va ri ega ta 9 <br />Trichoptera Brachycentridae Brachycentrus 3 <br />Tri choptera Hydropsychidae Hydropsyche 1 <br />Di ptera Ti pul i dae Tipula 1 <br />Pulmonata Lymnaci dae Lymnaea 1 <br />Coleoptera Elmidae Opti oservus divergens 4 <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br />