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 Major Groups | Insecta (insects) | Odonata (dragonflies, damselflies) | Coenagrionidae | Austrocnemis
 

Austrocnemis

Major Group: Insecta
Order: Odonata
Family: Coenagrionidae
Genus: Austrocnemis

Descriptive Features:

  • prementum elongate, ratio of length to greatest width approximately 1.3
  • 3 pairs of premental setae (last may be short), in straight line
  • 4-6 pairs of small lateral setae
  • premental ligula moderately produced, narrowly rounded medially, lateral margins slightly concave
  • outer branch of labial palps very short, wide, distinctly separated from short inner branch which lacks sub apical tooth
  • 4 palpal setae, longer than movable hook
  • antennae 7-segmented
  • postocular lobes very widely rounded
  • legs very long, thin, ratio of length to width of metafemur approximately 12.0
  • wing pads of late instar larvae raised from body at a distinct angle
  • caudal gills denodate, leaf-shaped, slightly petiolate, very long, narrow, median gill strongly curved
  • Total length: 19 - 23 mm
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    Austrocnemis splendida

     

    Austrocnemis splendida male

    Taxonomic Checklist: Species
    (not all nymphs known)
    Austrocnemis maccullochi (Tillyard, 1926)
    Austrocnemis obscura Theischinger & Watson, 1991
    Austrocnemis splendida (Martin, 1901)

    Distribution: Vic, E NSW, E Qld

    Functional Feeding Group: predators

     

    Broken River at Benalla, Vic

     

    Information Sources: Hawking & Theischinger 1999
    Key to Species: Theischinger & Endersby 2009
    Hawking & Theischinger 1999 (NSW)