DragonflyPix

Blue Riverdamsel (Pseudagrion microcephalum)

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

PhotoID: AusDa250. Blue Riverdamsel (Pseudagrion microcephalum) - female
Blue Riverdamsel (Pseudagrion microcephalum) ♀

1 / 18; PhotoID: AusDa250 02/11/2011 10:57 F8 1/125 180mm ISO200 Canon7D -Crop -Flash MF
Lane Cove River, Lane Cove NP, NSW [-33.792250°; 151.147083°]
PhotoID: AusDa251. Blue Riverdamsel (Pseudagrion microcephalum) - female
Blue Riverdamsel (Pseudagrion microcephalum) ♀

2 / 18; PhotoID: AusDa251 02/11/2011 11:00 F8 1/250 180mm ISO400 Canon7D -Crop -Flash MF
Lane Cove River, Lane Cove NP, NSW [-33.792250°; 151.147083°]
PhotoID: AusDa252. Blue Riverdamsel (Pseudagrion microcephalum) - female
Blue Riverdamsel (Pseudagrion microcephalum) ♀

3 / 18; PhotoID: AusDa252 02/11/2011 11:02 F8 1/250 180mm ISO400 Canon7D -Crop -Flash MF
Lane Cove River, Lane Cove NP, NSW [-33.792250°; 151.147083°]
PhotoID: AusDa343. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

4 / 18; PhotoID: AusDa343 24/11/2011 14:48 F8 1/125 180mm ISO200 Canon7D -Crop -Flash MF
Bicentennial Lakes, Mareeba, QLD [-16.988617°; 145.419833°]
PhotoID: AusDa349. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

5 / 18; PhotoID: AusDa349 24/11/2011 15:55 F8 1/250 180mm ISO400 Canon7D -Crop -Flash MF
Bicentennial Lakes, Mareeba, QLD [-16.988617°; 145.419833°]
PhotoID: AusDa363. Blue Riverdamsel (Pseudagrion microcephalum) - copula
Blue Riverdamsel (Pseudagrion microcephalum) ⚤

6 / 18; PhotoID: AusDa363 28/11/2011 12:11 F8 1/640 180mm ISO400 Canon7D -Crop -Flash MF
Pond at Fagan Park, Hornsby, NSW [-33.639300°; 151.048033°]
PhotoID: AusDa364. Blue Riverdamsel (Pseudagrion microcephalum) - copula
Blue Riverdamsel (Pseudagrion microcephalum) ⚤

7 / 18; PhotoID: AusDa364 28/11/2011 12:11 F8 1/640 180mm ISO400 Canon7D -Crop -Flash MF
Pond at Fagan Park, Hornsby, NSW [-33.639300°; 151.048033°]
PhotoID: AusDa365. Blue Riverdamsel (Pseudagrion microcephalum) - copula
Blue Riverdamsel (Pseudagrion microcephalum) ⚤

8 / 18; PhotoID: AusDa365 28/11/2011 12:13 F8 1/640 180mm ISO400 Canon7D -Crop -Flash MF
Pond at Fagan Park, Hornsby, NSW [-33.639300°; 151.048033°]
PhotoID: AusDa366. Blue Riverdamsel (Pseudagrion microcephalum) - copula
Blue Riverdamsel (Pseudagrion microcephalum) ⚤

9 / 18; PhotoID: AusDa366 28/11/2011 12:14 F8 1/500 180mm ISO400 Canon7D -Crop -Flash MF
Pond at Fagan Park, Hornsby, NSW [-33.639300°; 151.048033°]
PhotoID: AusDa450. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

10 / 18; PhotoID: AusDa450 11/11/2016 11:03 F8 1/80 180mm ISO800 Canon7D2 -Crop -Flash MF
Slow-flowing brook near Weeli Wolli Spring, 70 km NW Newman, WA [-22.917269°; 119.205972°]
PhotoID: AusDa451. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

11 / 18; PhotoID: AusDa451 11/11/2016 11:04 F8 1/60 180mm ISO800 Canon7D2 -Crop -Flash MF
Slow-flowing brook near Weeli Wolli Spring, 70 km NW Newman, WA [-22.917269°; 119.205972°]
PhotoID: AusDa452. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

12 / 18; PhotoID: AusDa452 11/11/2016 11:08 F8 1/60 180mm ISO800 Canon7D2 -Crop -Flash MF
Slow-flowing brook near Weeli Wolli Spring, 70 km NW Newman, WA [-22.917269°; 119.205972°]
PhotoID: AusDa453. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

13 / 18; PhotoID: AusDa453 11/11/2016 11:10 F8 1/125 180mm ISO400 Canon7D2 -Crop -Flash MF
Slow-flowing brook near Weeli Wolli Spring, 70 km NW Newman, WA [-22.917269°; 119.205972°]
PhotoID: AusDa454. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

14 / 18; PhotoID: AusDa454 11/11/2016 11:11 F8 1/160 180mm ISO400 Canon7D2 -Crop -Flash MF
Slow-flowing brook near Weeli Wolli Spring, 70 km NW Newman, WA [-22.917269°; 119.205972°]
PhotoID: AusDa455. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

15 / 18; PhotoID: AusDa455 11/11/2016 11:11 F8 1/125 180mm ISO400 Canon7D2 -Crop -Flash MF
Slow-flowing brook near Weeli Wolli Spring, 70 km NW Newman, WA [-22.917269°; 119.205972°]
PhotoID: AusDa469. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

16 / 18; PhotoID: AusDa469 12/11/2016 12:03 F8 1/320 180mm ISO200 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]
PhotoID: AusDa470. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

17 / 18; PhotoID: AusDa470 12/11/2016 12:04 F8 1/320 180mm ISO200 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]
PhotoID: AusDa471. Blue Riverdamsel (Pseudagrion microcephalum) - male
Blue Riverdamsel (Pseudagrion microcephalum) ♂

18 / 18; PhotoID: AusDa471 12/11/2016 12:04 F8 1/320 180mm ISO200 Canon7D2 -Crop -Flash MF
Weeli Wolli Creek, 70 km NW Newman, WA [-22.915778°; 119.204278°]

Blue Riverdamsel (Pseudagrion microcephalum)

Australian distribution of Pseudagrion microcephalum

Inhabits still and flowing waters; streams, rivers, riverine lagoons, lakes and ponds

© 2011 DECCW, NSW and DragonflyPix.com

  • Coenagrionidae: Key couplet 1 of 54

  • ○ Damselflies without this combination of characters
b ↑
  • Coenagrionidae: Key couplet 14 of 54

  • couplet drawing
  • ● Anal vein leaving wing margin well basal to the level of Ac in both wings, so there is a basal segment of anal vein about the same length as Ac
a ↑
  • Coenagrionidae: Key couplet 15 of 54

  • ○ Hindwing longer than 22 mm
a ↑
  • Coenagrionidae: Key couplet 16 of 54

  • ○ Abdominal segments 2-4 bronze-black above

    ⇒ genus: Pseudagrion
b ↑
  • Coenagrionidae: Key couplet 18 of 54

  • ○ Synthorax blue and black
a ↑
  • Coenagrionidae: Key couplet 19 of 54

  • couplet drawingcouplet drawing
  • ● Superior anal appendages with deep, V-shaped notch at tip, the lower branch longer than the upper

    ⇒ species: Blue Riverdamsel (Pseudagrion microcephalum)
a ↑
  • Coenagrionidae: Key couplet 23 of 54

  • couplet drawing
  • ● Dark pigmentation on abdominal segments 3-5 less extensive, tapered to rounded in front, narrowing to back, abruptly expanded distally, so that lateral pale areas are clearly visible from above, and lateral margin is sinuate
b ↑
  • Coenagrionidae: Key couplet 26 of 54

  • couplet drawing
  • ● Finger-like processes much longer than height of anterior lobe at point of attachment
b ↑
  • Coenagrionidae: Key couplet 27 of 54

  • couplet drawing
  • ● Transverse ridge curving progressively into inner ridge

    ⇒ species: Blue Riverdamsel (Pseudagrion microcephalum)
b ↑
  • Coenagrionidae: Key couplet 40 of 54

  • ○ No such markings on thorax or abdomen
b ↑
  • Coenagrionidae: Key couplet 41 of 54

  • ○ Synthorax with extensive brown or yellow areas, sometimes pruinescent

    ⇒ genus: Pseudagrion
a ↑
  • Coenagrionidae: Key couplet 43 of 54

  • couplet drawing
  • ● Ac of hindwing beyond alignment of basal antenodal crossvein

    ⇒ genus: Pseudagrion
b ↑
  • Coenagrionidae: Key couplet 49 of 54

  • couplet drawing
  • ● Ac of hindwing beyond alignment with basal antenodal crossvein

    ⇒ genus: Pseudagrion
b ↑