Eastern Willow Spreadwing
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|From Wikipedia, the free encyclopedia|
Lestes parvidens is a damselfly of the family Lestidae. It has the typical appearance of a Lestes damselfly; it has a metalic green body and at rest it holds its wings away from its body. Its common name in English is the Eastern Willow Spreadwing. Lestes parvidens is often put in to the genus Chalcolestes because of its larvae differs from that of other Lestes
L. parvidens is closely related to L. viradis and used to be considered a sub-species of L. viridis, however there are small morphological differences between the two species both as adults and larvae and analysis of proteins from the two species, by electrophoresis, also supports their separation into two species, but they are hard to tell apart in the field.
L. parvidens is found in eastern and central Europe, in Croatia, Bulgaria, Greece, Italy, Syria, Jordan, Israel and Turkey. It is found on islands in the eastern Mediterranean; on Cyprus, Corsica, Crete and Sicily. In Italy and the Balkans both L. parvidens and L. viradis occur together. It is only in the last 20 years that odonaterists have been separating L. parvidens from L. viradis so some of the older records for L. viradis will probably be for L. parvidens.
In the field it is not possible to reliably distinguish L. viridis from L. parvidens. Both species are mainly metallic green, like other Lestes damselflies, but larger and darker but they do not have a powder blue pruinescence which is common in other Lestes. The pterostigma is pale brown and outlined in black. The thorax has thin yellow antehumerals and broader yellow stripe above a thin black line on each side; the upper edge of the stripe is irregular. Both L. viridis and L. parvidens have a prominent spur-like marking on the side of the thorax.
Flight period is from May to November. Behaviour is similar to that described in L. viridis. Mature males defend vertical territories in marginal shrubs and small trees where they find and mate with females in the normal damselfly manner forming the wheel position. Egg laying occurs with the pair in tandem, the eggs being laid into incisions in the bark of overhanging branches, not into submerged vegetation as is the case in many damselflies. Egg laying can result in distinct oval galls forming in the shrub's bark. The eggs develop rapidly for a few weeks and then enter a diapause state. In this state the eggs development is very slow and it is in this state that the eggs overwinter. The following spring the eggs hatch, the larvae drop into the water and start to develop. Growth is rapid and adults can emerge in a couple of months. After emerging the adults move away from water to mature. In this stage of their life-cycle which in L. parvidens is quite long, the immature adults cannot breed. The adults need a period of time for their reproductive organs to develop and this non-breeding period also stops the adults breeding too early in the season. If the females lay eggs early in the year the eggs will develop when it is to warm to for them to enter diapause. They might hatch out before winter and the resultant larva will die when winter temperatures occur. When fully mature the adults return to water and start breeding.
jconceicao, hansh, horias, siggi, nglen, marius-secan, Mello, Argus, flashpoint has marked this note useful
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Light,colours and DOF are fantastic.
- [2009-12-06 3:27]
Excellent capture of this femal.
Great of colors and sharpness and with a very nice and classical POV.
Compliments and thanks for sharing it.
this is a beauty ,so good sharpness and nice light
beautiful colours to
Amazing shot, Razvan,
the details are perfect - this damsel is so pretty and elegant.
I also love the hairy twig it is sitting on.
Thanks and greetings
Sabine - wishnugaruda
- [2009-12-06 4:05]
Un macro de calitate!
Foarte bine redate detaliile iar culorile sunt perfecte.
O zi perfecta!
- [2009-12-06 4:32]
Wonderful close up.DOF,sharpness,clear details,POV,lighting and composition are excellent.TFS
Best regards Siggi
- [2009-12-06 4:58]
Excellent macro of this young lady. Pov studied well with a neatness on all the body. I like tints of natural colors.
Hi Razvan. Another good lighting and sharpened view. Nice diagonal compo in good details and intrigant BG.
Ciao Razvan, wonderful dragonfly with fantastic metallic colors, fine details and splendid sharpness, lovely blurry BG, very well done, have a good Sunday, ciao Silvio
- [2009-12-06 8:27]
Superb clarity in this photo. Perfect sharp details and splendid natural colours. Good composition, POV and OOF BG.
- [2009-12-06 10:31]
Excellent macro, nice capture and colours. TFS.
Best regards, Bedri..
- [2009-12-06 10:34]
Hi Razvan. A fine side view of this Damselfly , which you have taken with fine detail and natural colours. Good use of the light on the wings. well taken TFS.
Bine surprinsa, cu detalii si culori excelente.
Fondul foarte reusit.
- [2009-12-06 13:06]
Hi Razavn,i like a lot the perfect capture of the emerald green of this damselfy,isn't easy a top quality like that,i know the terribles reflections of this specie.My best compliments for the highest sharpness too,have a nice week,Luciano
- [2009-12-06 16:14]
Baeuty dragonfly Razvan, and very well captured my friend.
Great BG, POV an DOF. Thanks for posting and see you on TN.
- [2009-12-06 22:11]
A fine almost full frame macro of this uncommon species of spreadwing.
The POV, sharpness composition and BG contribute to a high quality portrait of this species.
Thanks and have a good week,
excellent capture of this kind of Lestes
good focus and perfect management of light