DragonflyPix

Pilbara Emerald (Hemicordulia koomina)

Click on a thumbnail to display the photograph (at 1200 x 800 pixels) in a new window.

PhotoID: AusDr421. Pilbara Emerald (Hemicordulia koomina) - male
Pilbara Emerald (Hemicordulia koomina) ♂

1 / 8; PhotoID: AusDr421 12/11/2016 15:36 F8 1/400 180mm ISO400 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]
PhotoID: AusDr422. Pilbara Emerald (Hemicordulia koomina) - male
Pilbara Emerald (Hemicordulia koomina) ♂

2 / 8; PhotoID: AusDr422 12/11/2016 15:38 F8 1/1250 180mm ISO800 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]
PhotoID: AusDr423. Pilbara Emerald (Hemicordulia koomina) - male
Pilbara Emerald (Hemicordulia koomina) ♂

3 / 8; PhotoID: AusDr423 12/11/2016 15:39 F8 1/1600 180mm ISO800 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]
PhotoID: AusDr424. Pilbara Emerald (Hemicordulia koomina) - male
Pilbara Emerald (Hemicordulia koomina) ♂

4 / 8; PhotoID: AusDr424 12/11/2016 15:41 F8 1/800 180mm ISO800 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]
PhotoID: AusDr425. Pilbara Emerald (Hemicordulia koomina) - male
Pilbara Emerald (Hemicordulia koomina) ♂

5 / 8; PhotoID: AusDr425 12/11/2016 15:44 F8 1/1250 180mm ISO800 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]
PhotoID: AusDr426. Pilbara Emerald (Hemicordulia koomina) - male
Pilbara Emerald (Hemicordulia koomina) ♂

6 / 8; PhotoID: AusDr426 12/11/2016 15:51 F8 1/1600 180mm ISO800 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]
PhotoID: AusDr427. Pilbara Emerald (Hemicordulia koomina) - male
Pilbara Emerald (Hemicordulia koomina) ♂

7 / 8; PhotoID: AusDr427 12/11/2016 15:51 F8 1/1250 180mm ISO800 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]
PhotoID: AusDr428. Pilbara Emerald (Hemicordulia koomina) - male
Pilbara Emerald (Hemicordulia koomina) ♂

8 / 8; PhotoID: AusDr428 12/11/2016 15:53 F8 1/1600 180mm ISO800 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]

Pilbara Emerald (Hemicordulia koomina)

Australian distribution of Hemicordulia koomina

Inhabits streams, rivers and riverine pools

© 2011 DECCW, NSW and DragonflyPix.com

  • Corduliidae: Key couplet 1 of 11

  • couplet drawing
  • ● Hypertriangles generally free
b ↑
  • Corduliidae: Key couplet 2 of 11

  • couplet drawingcouplet drawing
    couplet drawing
  • ● Three crossveins between sectors of arculus basal to fork of Rs in hindwing
    ● Bridge crossvein at subnodus
    ● Ovipositor short, less than half length of tergum 9

    ⇒ genus: Hemicordulia and Procordulia
b ↑
  • Corduliidae: Key couplet 3 of 11

  • couplet drawing
  • ● Top of frons yellow with dark T-mark, or black with pair of yellow spots
b ↑
  • Corduliidae: Key couplet 8 of 11

  • couplet drawingcouplet drawingcouplet drawing
  • ● Basal half or more of abdominal tergum 7 yellow, with or without narrow, mid-dorsal black line
b ↑
  • Corduliidae: Key couplet 9 of 11

  • couplet drawing
  • ● Top of frons with dark T-mark
b ↑
  • Corduliidae: Key couplet 10 of 11

  • couplet drawingcouplet drawing
  • ● Male superior appendage with strong medioventral spine
    ○ Female anal appendages approximately 2 mm long
b ↑
  • Corduliidae: Key couplet 11 of 11

  • couplet drawingcouplet drawing
  • ● Superior appendages similar in length to inferior appendage, not reflexed at tip
    ● Black distal band on abdominal tergum 7 of female occupying approximately 20% or less of mid-dorsal length of segment

    ⇒ species: Pilbara Emerald (Hemicordulia koomina)
b ↑