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<br />t <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 />, <br />p ..... <br />7. .. <br /> <br />Taxonomic list and abundances of aquatic invertebrates collected 30 May 2002 at <br />station SPRINGe-Ol, Spring 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 119290. The percentage <br />of the sample that was identified and retained was 19% of the collected sample. A <br />total of 774 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, 0 - damaged organisms, M = poor slide mount, G = .gender, U = indistinct <br />characters or distribution, R = retained in our reference collection. <br /> <br />Order <br />PhyLun: A;;:;eITda <br />CLass: Oligochaeta <br />Phylum: Arthropoda <br />class: Arachn;da <br />Trorrbi di formes <br />Class: Insecta <br />Coleoptera <br />Coleoptera <br />Diptera . <br />Diptera <br />Diptera <br />Diptera <br />Diptera <br />Diptera <br />Diptera <br />Diptera <br />Diptera <br />Ephemeroptera <br />Ephemeroptera <br />Ephemeroptera <br />Ephemeroptera <br />Ephemeroptera <br />Ephemeroptera <br />Ephemeroptera <br />Ephemeroptere <br />Hemiptera <br />Odonate <br />Plecoptera <br />Plecoptera <br />Trichoptera <br />Trichoptera <br />Phylun: Nemata <br /> <br />Total: <br /> <br />27 taxa <br /> <br />FamilY <br /> <br />Elmidae <br />Elmidae <br />Ceratopogonidae <br />Ch i ronomi dae <br />Chironomidae <br />Chironomidae <br />Chironomidae <br />Empididae <br />SiDJJliidae <br />Tipul idae <br />Tipul idee <br />Ameletidae <br />Baetidae <br />Baetidae <br />Ephemeret l"idae <br />Heptageni idae <br />Heptageni idae <br />Leptohyphidae <br />leptophlebiidae <br />Naucorl c1ae <br />G""""idae <br /> <br />Capni i dae <br /> <br />Hel icopsychidae <br /> <br />Subfamily/Genus/sPecies <br /> <br />Optioservus <br />Optioservus <br />Probezzia <br /> <br />Chironominae <br />Orthocladiinae <br />Tanypodinae <br />Chel itera <br />Sim.Jl il..rn <br /> <br />Hexatorna <br />Ameletus <br /> <br />Beetis <br /> <br />CinyglJ'Ula <br />Tricorythodes <br /> <br />Arrtlrysus <br /> <br />Hel i copsyche <br /> <br />life <br />Stage Abundance ~ <br />adult 211 <br />adult 50 <br />adult 14 <br />larvae 108 <br />larvae 158 <br />pupae 29 <br />larvae 287 <br />larvae 323 <br />Larvae 82 <br />larvae 7 <br />larvae 416 <br />larvae 1 <br />larvae 9 <br />larvae 7 <br />larvae 2091 <br />larvae 758 <br />larvae 14 I <br />larvae 323 1,0 <br />larvae 152 <br />larvae 17 <br />larvae 22 <br />adult 5 <br />larvae 14 I <br />larvae 22 I <br />larvae 36 I <br />pupae 20 U <br />larvae 27 <br />adult 22 <br /> 5222 individuals <br /> <br />,. -= <br />