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<br />DATE <br /> <br />July 11, 1974 <br /> <br />COLLECTION SITE <br /> <br />ORDER <br /> <br />Oligochaete (class) <br />Di ptera <br />Isopoda <br />Co 1 eoptera <br />Pulmonata <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />AQUATIC INSECTS OF THE ARKANSAS RIVER BASIN IN COLORADO <br /> <br />SAMPLE NO. 36 <br /> <br />Walsenburg, Sewage Treatment Plant, Cuchares River, in discharge <br /> <br />FAMILY <br /> <br />Tendipedidae <br />Ase 11 i dae <br /> <br />Dytiscidae (larval) <br />Physa <br /> <br />. <br /> <br />. <br /> <br />GENUS <br /> <br />SPECIES <br /> <br />Tendipes <br /> <br />Agabus <br />Physa <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />NO. INDIVIDUALS <br /> <br />10 <br />20 <br />2 <br />3 <br />4 <br /> <br />. <br /> <br />. <br /> <br />. <br />