DragonflyPix

Iota Ringtail (Austrolestes io)

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PhotoID: AusDa561. Iota Ringtail (Austrolestes io) - male
Iota Ringtail (Austrolestes io) ♂

1 / 3; PhotoID: AusDa561 10/12/2016 11:19 F8 1/500 180mm ISO400 Canon7D2 -Crop -Flash MF
Roadside puddles, Mount Frankland NP, WA [-34.813778°; 116.559111°]
PhotoID: AusDa567. Iota Ringtail (Austrolestes io) - male
Iota Ringtail (Austrolestes io) ♂

2 / 3; PhotoID: AusDa567 10/12/2016 11:44 F8 1/400 180mm ISO400 Canon7D2 -Crop -Flash MF
Roadside puddles, Mount Frankland NP, WA [-34.813778°; 116.559111°]
PhotoID: AusDa568. Iota Ringtail (Austrolestes io) - male
Iota Ringtail (Austrolestes io) ♂

3 / 3; PhotoID: AusDa568 10/12/2016 11:44 F8 1/400 180mm ISO400 Canon7D2 -Crop -Flash MF
Roadside puddles, Mount Frankland NP, WA [-34.813778°; 116.559111°]

Iota Ringtail (Austrolestes io)

Australian distribution of Austrolestes io

Inhabits riverine pools, lakes, ponds (including temporary ponds) and swamps

© 2011 DECCW, NSW and DragonflyPix.com

  • Lestidae: Key couplet 1 of 15

  • couplet drawing
  • ● Quadrilateral cell of hindwing more than 1.15 times, usually 1.3-1.5 times longer than that of forewing
b ↑
  • Lestidae: Key couplet 2 of 15

  • couplet drawingcouplet drawing
    couplet drawingcouplet drawingcouplet drawing
  • ● Front of synthorax unicolorous or striped, the stripe not expanded near centre
    ● Ac generally near Ax1, basal or distal, occasionally almost midway between Ax1 and Ax2

    ⇒ genus: Austrolestes
b ↑
  • Lestidae: Key couplet 5 of 15

  • couplet drawing
    couplet drawingcouplet drawing
  • ● Central part of pterostigma overlying one or more crossveins of adjoining row
    ● Ac closer to level of Ax1 than of Ax2, sometimes basal to Ax1
    ○ Abdominal tergum 2 with well-defined light and dark pattern, sometimes like that of dark A. insularis (see above), or substantially dark
b ↑
  • Lestidae: Key couplet 6 of 15

  • couplet drawingcouplet drawing
  • ● Pale humeral stripe narrow, with at most a small upper patch extending across mesopleural suture, not meeting subalar ridge
b ↑
  • Lestidae: Key couplet 8 of 15

  • couplet drawing
  • ● Humeral stripe extending across mesopleural suture
a ↑
  • Lestidae: Key couplet 9 of 15

  • couplet drawing
  • ○ Abdominal segment 10 of male pale above
    ● Dorsal dark mark on abdominal tergum 2 of female broad, divided by narrow, pale mid-dorsal line, pale lateral areas scarcely visible from above
b ↑
  • Lestidae: Key couplet 10 of 15

  • couplet drawingcouplet drawing
  • ● Median lobe of pronotum with pale lateral margin
    ● Abdominal tergum 2 of male dark above, with pale, narrow mid-dorsal line over distal third

    ⇒ species: Iota Ringtail (Austrolestes io)
a ↑