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 Major Groups | Insecta (insects) | Odonata (dragonflies, damselflies) | Austrocorduliidae
 

Austrocorduliidae

Major Group: Insecta
Order: Odonata
Family: Austrocorduliidae

Descriptive Features:

  • prementum completely flat bottomed
  • labial palps with subequal dentations bearing groups of setae
  • frontal plate distinctly developed
  • antennae 7-11-segmented, scape and pedicle sometimes very large
  • pronotum laterally ridge-like
  • wing pads parallel
  • abdomen lacking middorsal spines, with or without lateral spines
  • apex usually not sharply pointed
  • Total length: 12.7 - 25.2 mm
  • Taxonomic Checklist: Genera
    Apocordulia
    Austrocordulia

    Austrophya
    Hesperocordulia

    Lathrocordulia
    Micromidia

    Distribution: S WA, Vic, E NSW, Qld

    Sensitivity Rating: SIGNAL grade 10

    Functional Feeding Group: predators

    Ecology: Adults are commonly known as 'southern hawks'.
    Instream habitat: Austrocordulid larvae occur in streams, including sluggish and intermittent streams, rivers and riverine pools. They are generally found on logs or under rocks, even under very large boulders, however, early instars can be found associated with leaf packs or detritus on gravel beds.
    Feeding ecology: Larvae are predators.
    Habit: Larvae can withstand desiccation.
    Life history:

     
     
    Information Sources: Theischinger & Endersby 2009, Theischinger 2001, Theischinger & Hawking 2006
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