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<br />r <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />Taxonomic list and abundances of aquatic invertebrates collected 21 May 2002 at <br />station POTTERC-Ol, Potter Creek, Montrose County, Colorado. The sample was <br />collected from riffle habitat using a Surber sampler. The total area sampled was <br />0.744 square meters. The sample identification number is 119288. The percentage <br />of the sample that was identified and retained was 31% of the collected sample. A <br />total of 645 individuals were removed, identified and retained. Abundance data are <br />presented as the estimated number of individuals per square meter. Notes- <br />identification to genus or species was not supported because: I - immature <br />organisms, D - damaged organisms, M = poor slide mount, G = gender, U = indistinct <br />characters or distribution, R = retained in our reference collection. <br /> <br />Order <br />PhylUl1: Annelida <br />Class: Oligochaeta <br />PhylUl1: Arthropoda <br />class: Arachnida <br />T rombidi formes <br />Class: Insecta <br />CoLeoptera <br />Diptera <br />Diptera <br />Diptera <br />Diptera <br />Diptera <br />D i ptera <br />Diptera <br />Diptera <br />Diptere <br />Diptera <br />Diptere <br />Ephemeroptere <br />EpheIDeroptera <br />Odonata <br />Pleeoptere <br />Trichoptera <br />Tri choptera <br />T ri choptera <br />Trichoptere <br />PhylLlJl: Nemata <br />PhylUl1: Vertebrata <br />CLass: Osteichthyes <br /> <br />TotaL: <br /> <br />24 Ta <br /> <br />I <br /> <br />Faroil y <br /> <br />Elmidae <br /> <br />Ceratopogonidae <br />Ceratopogonidae <br />Chironomidae <br />chironomidae <br />Chironomidae <br />Chironomfdae <br />E~ididae <br />Simuliidee <br />Siroul i idae <br />TipuL idee <br />Baetidae <br />Heptageniidae <br />Coenagrionidae <br />ChloroperL idae <br /> <br />Hydropsychidae <br />Hydropsychidae <br />Hydroptilidae <br /> <br />SubfamilY/Genus/species <br /> <br />life <br />Sta~e Abundance !2ill. <br />adult 99 <br />adult 301 <br />larvae 9 I <br />pupae 4 U <br />larvae 198 I <br />larvae 66 <br />pupae 9 <br />larvae 74 <br />larvae 443 <br />larvae 71 <br />pupae 9 <br />larvae 155 <br />larvae 41 <br />larvae 9 I <br />Larvae 960 I <br />larvae 9 I <br />larvae 14 D <br />larvae 4 <br />pupae 4 U <br />larvae 4 <br />larvae 9 <br />larvae 138 <br />adult 95 <br />adult U <br /> 2725 individuals <br /> <br />Probezzia <br /> <br />Chironominae <br />Orthoclsdi inse <br />Tanypodinae <br /> <br />SimuliUl1 <br /> <br />Suwell ia <br /> <br />CheLJl'lStopsyche <br />Hydropsyche <br />