Diurnal variations in the Activity of Mirawara Purpurea Riek (Ephemeroptera, Siphlonuridae) in the Aberfeldy River, Victoria Australia

  • Ian C. Campbell
Chapter

Abstract

Although Mirawara is a widespread genus in eastern Australia, the nymphs are frequently under-represented in benthic samples. Evidence is presented which indicates that Mirawara nymphs descend into the substrate during the day, returning to the surface at night to feed. Relatively large numbers of nymphs can be collected at night. Light intensity is probably the factor which controls the movements of the nymphs. The significance of these results for ecological studies is discussed.

Keywords

Diurnal Variation Aquatic Insect Gill Filament Invertebrate Fauna Benthic Sample 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • Ian C. Campbell
    • 1
  1. 1.Zoology DepartmentMonash UniversityAustralia

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