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<br />AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br /> <br />DATE August 15, 1974 SAMPLE NO. 76 <br />COLLECTION SITE Westcliff, Grape Creek, GR-l, above sewage discharge <br />ORDER FAMILY GENUS SPECIES NO. INDIVIDUALS <br />Trichoptera Hydropsychidae Hydropsyche 3 <br />Diptera Tipulidae Hexatoma 1 <br />Diptera Tendipedidae 1 <br />Ephemeroptera Tri corythi dae Tricorythodes 12 <br />Ephemeroptera Ephemerellidae Ephemere 11 a inermis 1 <br />Ephemeroptera Heptageniidae Cinygma 28 <br />Ephemeroptera Leptophlebiidae Choroterpes 15 <br />Coleoptera Dryopidae Helichus 1 <br />Col eoptera Elmidae (larvae) 1 <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br />