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Short-Tailed Duskdarter (Zyxomma elgneri)

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PhotoID: AusDr430. Short-Tailed Duskdarter (Zyxomma elgneri) - male
Short-Tailed Duskdarter (Zyxomma elgneri) ♂

1 / 4; PhotoID: AusDr430 14/11/2016 14:23 F8 1/100 180mm ISO3200 Canon7D2 -Crop -Flash MF
Dale's Gorge, Karijini NP, WA [-22.477611°; 118.550889°]
PhotoID: AusDr431. Short-Tailed Duskdarter (Zyxomma elgneri) - male
Short-Tailed Duskdarter (Zyxomma elgneri) ♂

2 / 4; PhotoID: AusDr431 14/11/2016 14:25 F8 1/125 180mm ISO3200 Canon7D2 -Crop -Flash MF
Dale's Gorge, Karijini NP, WA [-22.477611°; 118.550889°]
PhotoID: AusDr432. Short-Tailed Duskdarter (Zyxomma elgneri) - male
Short-Tailed Duskdarter (Zyxomma elgneri) ♂

3 / 4; PhotoID: AusDr432 14/11/2016 14:26 F8 1/60 180mm ISO3200 Canon7D2 -Crop -Flash MF
Dale's Gorge, Karijini NP, WA [-22.477611°; 118.550889°]
PhotoID: AusDr433. Short-Tailed Duskdarter (Zyxomma elgneri) - male
Short-Tailed Duskdarter (Zyxomma elgneri) ♂

4 / 4; PhotoID: AusDr433 14/11/2016 14:27 F8 1/80 180mm ISO3200 Canon7D2 -Crop -Flash MF
Dale's Gorge, Karijini NP, WA [-22.477611°; 118.550889°]

Short-Tailed Duskdarter (Zyxomma elgneri)

Australian distribution of Zyxomma elgneri

Inhabits streams, rivers, riverine pools, ponds and swamps

© 2011 DECCW, NSW and DragonflyPix.com

  • Libellulidae: Key couplet 1 of 67

  • couplet drawing
  • ● Distal antenodal of forewing incomplete, only the costal section present
b ↑
  • Libellulidae: Key couplet 35 of 67

  • couplet drawing
  • ● Hindwing triangle free
b ↑
  • Libellulidae: Key couplet 39 of 67

  • ○ Not as above
b ↑
  • Libellulidae: Key couplet 40 of 67

  • couplet drawing
  • ● Base of hindwing triangle at or slightly proximal to arculus
b ↑
  • Libellulidae: Key couplet 41 of 67

  • couplet drawing
  • ● Tip of anal loop usually open on one or both sides of midvein, the bounding veins of loop extending to wing margin, occasionally closed, the bounding veins meeting at wing margin
a ↑
  • Libellulidae: Key couplet 42 of 67

  • couplet drawing
  • ● Abdomen narrowing abruptly within the length of segment 3
    ○ Wing tips variably darkened, sometimes hyaline, rest of wing membrane hyaline except for dark flecks at extreme base and, in some, a dark costal band, or with general yellowish-brown suffusion
    ○ Male abdomen dull brown to blackish brown

    ⇒ genus: Zyxomma
b ↑
  • Libellulidae: Key couplet 43 of 67

  • couplet drawingcouplet drawing
  • ● Abdomen segment 4 not strongly constricted at supplementary transverse carina, posterior width of segment commonly less than anterior width
b ↑
  • Libellulidae: Key couplet 44 of 67

  • couplet drawing
  • ○ Abdomen not longer than hindwing
    ● Junction of abdominal segments 3 and 4 almost straight

    ⇒ species: Short-Tailed Duskdarter (Zyxomma elgneri)
a ↑