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I_J <br />' TABLE 3: Species list, mean density (numbers/mz) and diversity values of benthic invertebrates <br />from stations on Rito Seco creek, Costilla County, Colorado, 16-17 August 1988. <br />Stations <br />TAaA 1 2 3 <br />' 1NSECTA <br /> <br /> Ephemeroptera (mayflies) 559 555 373 <br /> Baetis bicaudatus 33 <br /> Baetis tricaudatus 57 73 340 <br /> Cinygmula sp. 110 20 13 <br />' Drunella coloraderrsis 30 <br /> Dru~:e!!a doddsi 246 13 -- <br /> Dru~tella grmtdis -- 30 -- <br /> Epeorus deceplivus 63 3 <br /> <br />Rhilhrogena hageni <br />416 == <br /> Rhithrogena robusta 20 -- -- <br /> Tricory[bodes minutes -- -- 20 <br /> Pl <br />t <br />fli <br />( <br />t 41 50 40 <br /> era <br />ecop <br />s <br />one <br />es) <br />' Amphirremura banksi <br />Hesperoperla Pacifica -- <br />3 23 <br />3 == <br /> Megarcys sigr:ata 7 7 <br /> Ptera7arcella badia 7 7 33 <br /> Taer:iorrema rtigripenne 7 __ __ <br />' Zapada cinctipes 10 <br /> Chloroperlidae 7 10 7 <br /> Trichoptera (caddisflies) 228 535 1993 <br /> Oligophlebodes sp. 10 3 -- <br /> Arctopsyche grattdis 13 346 193 <br /> Brachycenerus americanus 3 3 153 <br /> Dolophilodes equalus 3 <br /> Glassosonta sp. 10 47 400 <br /> Hydropsyche sp. __ 13 113 <br />' Lepidostonta sp. 107 <br /> Micrasema sp. 23 -- <br /> Ochrotrichia sp. -- -- 80 <br /> Ochrotrichia pupae -- 20 47 <br />' Rhyacophila acropedes 73 10 <br /> Rhyacophila angelica 93 93 -- <br /> Diptera (true flies) 1343 410 3518 <br /> CheliJera sp. 20 3 47 <br /> Cricolopus sp. 73 63 67 <br /> Dicrano[a sp. 3 13 <br /> Di.rella sp. -- 3 -- <br /> Hexatoma sp. 10 10 d7 <br />' Micropsectra sp. 783 60 2384 <br /> Orthocladius sp. 10 7 20 <br /> Pagas[ia sp. -- 33 -- <br /> 8 <br /> <br />