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wheeled-blue-tailed Damselflies

wheeled-blue-tailed Damselflies
Photo Information
Copyright: Robert Brown (Robbrown) Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 1184 W: 88 N: 2160] (6106)
Genre: Animals
Medium: Color
Date Taken: 2004-08-05
Categories: Insects
Camera: SONY DSC F-707, Carl Zeiss 9.7-48.5, Digital ISO 100
Exposure: f/8, 1/80 seconds
Photo Version: Original Version
Date Submitted: 2004-08-06 18:01
Viewed: 4189
Points: 38
[Note Guidelines] Photographer's Note
This summer the Blue-Tailed Damselflies (Ischnura elegans)seem to be every where, normally our lake surrports a large population of Common Blues to the point where the water surface can be a mist of moving bright blue. But this year when there seems so few dragonflies or Damselflies the Blue tails are taking their chance and there seems to be larger numbers (50 odd pairs) instead of the usual dozen-ish pairs.
The male blue tails come in a uniform set of colours of blue and black, and when viewed from above the tail is all black except for the blue band 2 segments from the end of the tail. The female on the other hand though comes in several colour variations. The one you see here is the form known as form Infuscans (green phase).
The females either start life as form rufescens which has a redish brown thorax ( the bit of the body where the legs come out) this matures in about 8 days to form rufescens-obsoleta which is a greenish brown, the other form is violacea with a violet thorax This can change into either aform that looks like a mature male only with a thick tailAndromorph) , or the one we see here Infuscans (green phase) which is not a form I`ve seen matting before.
The other colour forms have all appeared on Trekearth, and no doubt will do so here soon.
will post more life cyle details with other posts later.
saturation +10 lightness -1
brightness +3 contrast +4
sharpen edges crop to size at 72dpi
USM 140% X 2.1 px X threshold 2 and fade back to 55% use save to web 193.5k

I would of used a smaller F stop instead of F8 but there was a breeze blowing and I wanted to keep this pair in focus at all costs due to the colour combination.

RAP, PDP, AndyB, gerhardt, ellis49, carper, elroyie, milloup, mogens-j, Callie, lyta, petertee, Jax, Irith, phlr has marked this note useful
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Critiques [Translate]

  • Great 
  • AndyB Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 1366 W: 32 N: 1351] (3982)
  • [2004-08-06 18:43]

A very nice capture.
Excellent composition and DoF.
I like the pond in the background with the duck and the lily pads,it makes and excellent background to the shot.
Very good work,well done.

Rob, this is a very nice photo. The shapes forms a semetrical pattern. Two diagonals excellent work. Thanx for sharing.

A very good capture.
Nice color , good background and good composition.
Good note
Good job

Belles couleurs pour ces libellules l'une au dessus de l'autre.
C'une très belle photo.

very good capture here Robbert.
Good colours, and good sharp they are. Very good note, good job

  • Great 
  • PDP Gold Star Critiquer/Gold Star Workshop Editor [C: 2821 W: 344 N: 3779] (11769)
  • [2004-08-07 4:31]

Lovely, this is great in terms of capturing a good scene but what makes it really great is that the two sets of head/thorax/wings are parallel and make a nice angle with the 'reed'. Good detail and excellent note.

Points tomorrow

Ithink I remember this picture, very good catch with great colours and very good details, well done!

Bien vu , une tres belle image tres nétte et surtout toujours aussi intéressante , beau travail .

  • Great 
  • RAP Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 2524 W: 345 N: 2373] (7405)
  • [2004-08-07 7:17]

Excelente captura Robert.
Gran nitidez, bello colorido y atinada profundidad (tal vez un poco más baja hubiera sido mejor).
Muy bueno el trabajo de post produccion.
(puntos mañana)

Excellent capture Robert.
Great clearness, beautiful colorful and accurate depth (perhaps a little more loss had been better).
Very good the work of post production.
(points tomorrow)

Sharpness is super and I like the elegance of these two insects, nice seen, Robert !

Great capture of these two, congratulations on getting a new combination ;-)
I would have preferred a more oof background but can understand your reasons for going for a high F-stop.

Very good Robert - nice and crispy as usual. I like the soft tones in this one.

  • Great 
  • Callie Gold Star Critiquer/Gold Star Workshop Editor/Gold Note Writer [C: 1101 W: 95 N: 2610] (7555)
  • [2004-08-08 10:43]

This is a very nice double decker compo with the two sets of diagonal wings & torsos. Nice overall too, and note.

  • Great 
  • lyta (42)
  • [2004-08-09 0:12]

What a shot. The faces on them are so distinct.Great note. I learn so much from your posts. Thanks for sharing

  • Great 
  • Jax Gold Star Critiquer/Gold Note Writer [C: 77 W: 0 N: 150] (500)
  • [2004-08-14 14:15]

Excellent composition, colours and DOF spot on. A great capture Rob.

  • Great 
  • Irith Silver Note Writer [C: 2 W: 0 N: 18] (154)
  • [2004-08-22 7:10]

What a stunning capture!
Excellent in every aspect.
As we share the same camera,I found your notes enormously helpful.

An excellent shot with a good natural setting. I like th eOOF background which give the image a very natural stting.

  • Great 
  • carle (104)
  • [2005-05-25 21:14]

Amazing photo Rob.
Great clarity - good DOF. The symetry is very interesting and your composition is perfect.
Good job!

  • Great 
  • chiliu Gold Star Critiquer/Gold Note Writer [C: 1457 W: 0 N: 1176] (6526)
  • [2006-03-19 17:35]

Hi Robert,
Very nice shot with great composition,
I like the natural background, and the details and colours are excellent.
Compare to my Common Bluetail, I think the females different in tails, common bluetail is more grey, and your blue-tailed is more green. I'm not expert on this, but I like to learn from TN.
Thanks for sharing!

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