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Aquatic Invertebrate Ecology During a Simulated
Botulism Epizootic in a Sacramento Valley Wetland

Appendix


Appendix I.1 Aquatic invertebrate taxa collected and percent occurrence (all samples combined). Data were collected between 10 August and 3 November 1988 and between 8 August and 2 November 1989 from a seasonal wetland on Sacramento National Wildlife Refuge, California.
Phylum2 Class Order Family Genus Percent
Occurrence
Tardigrada         <0.1
Bryozoa Ectoprocta Phylactolaemata Plumatellidae   0.1
Annelida Oligochaeta       1.1
Arthropoda Crustacea Cladocera Daphnidae   8.9
          Copepoda         Calanoida     <0.1
            Cyclopoida     8.3
          Ostracoda       1.8
  Arachnoidea         "Hydracarina"         0.2
  Insecta Ephemeroptera Baetidae Unidentified 0.1
        Baetis 2.4
        Callibaetis 1.1
      Caenidae Caenis <0.1
  Odonata Zygoptera Coenagrionidae Coenagrion <0.1
        Zoniagrion 2.4
    Anisoptera Aeshnidae Aeshna <0.1
        Anax 0.1
      Gomphidae Octogomphus 0.1
      Corduliidae Somatochlora <0.1
      Libelluloidea Unidentified 0.1
        Leucorrhinia 0.1
        Pachydiplax <0.1
    Plecoptera Chloroperlidae Alloperla <0.1
    Hemiptera Unidentified   0.1
      Macroveliidae Oravelia <0.1
      Gerridae Gerris <0.1
        Trepobates <0.1
      Belostomatidae Belostoma <0.1
      Corixidae Corisella 10.4
        Sigara <0.1
      Notonectidae Notonecta 2.2
      Naucoridae   <0.1
      Ochteridae Ochterus <0.1
    Coleoptera Unidentified   0.1
      Dytiscidae Unidentified <0.1
        Agabus <0.1
        Bidessus <0.1
        Dytiscus 0.6
        Hydaticus <0.1
        Hydroporus <0.1
        Hygrotus <0.1
        Laccophilus 0.1
        Oreodytes <0.1
        Rhantus <0.1
      Hydrophilidae Berosus 2.5
        Enochrus <0.1
        Hydrochus <0.1
        Tropisternus <0.1
      Elmidae   <0.1
      Curculionidae   <0.1
    Diptera Tipulidae   0.1
      Culcidae Unidentified <0.1
        Anopheles <0.1
        Culex <0.1
      Chaoboridae Eucorethra <0.1
      Ceratopogonidae   0.8
      Simuliidae   <0.1
      Chironomidae Unidentified 10.7
        Procladius 1.3
        Tanypus 17.2
        Chironomus 11.5
        Corynoneura 0.3
        Glyptotendipes 1.4
        Goeldichironomus 9.3
      Dixidae Dixa <0.1
      Stratiomyidae   <0.1
      Tabanidae Unidentified 0.1
        Chyrsops 0.1
      Dolichopodidae   0.3
      Empididae   <0.1
      Ephydridae Unidentified 0.5
        Ephydra <0.1
      Canaceidae   0.2
      Sciomyzidae   <0.1
      Muscidae   0.1
Mollusca Gastropoda Megagastropoda Hydrobiidae   <0.1
    Limnophila Physidae Physa 0.8
1 The total number of taxa presented will not equal 83 taxa as specified in text as invertebrates that could not be identified past suborders or superfamilies are omitted from this table. Percent occurrence of these groups is <0.1.
2 Names follow Merritt and Cummins (1984), Borror et al. (1989), and Pennak (1989).

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