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Dragonflies & Damselflies Page 8

Image Taken on 11 Aug 2018 at 12:39    Image of day on 04 Oct 2018

A Common Darter Dragonfly perched aligned with a thin frond of Hop Sedge.


Ref: 20181004_df3_20180811_1239_077 common darter dragonfly male(r+mb id@768).jpg


Image Taken on 25 Jul 2009 at 14:39    Image of day on 03 Sep 2009

We netted a couple of male darter dragonflies. We were surprised to find the second about 50% heavier than the first.


Ref: 20090903_da1_20090725_1439_590+20090726_1243_003 ft1 common darter dragonfly male (130mg) in flight with hawthorn twig (montage)(r+mb id@576).jpg


Image Taken on 25 Jul 2009 at 14:56    Image of day on 03 Sep 2009

The apparent expression on the 'face' and the leg waving as it flew by really cracks us up. We know its not real but still love it.


Ref: 20090903_da1_20090725_1456_671+20090726_1229_005 ft1 common darter dragonfly male (220mg) in flight with hawthorn twig (montage)(r+mb id@576).jpg


Image Taken on 27 Jul 2007 at 18:06    Image of day on 24 Aug 2007

The intricacy of the dragonfly head is amazing. Reflections from the multi-segment eye produces the gleaming patch.


Ref: 20070824_d01_20070727_1806_020 common darter dragonfly male head detail (web crop)(r+mb id@576).jpg


Image Taken on 17 Sep 2010 at 12:34    Image of day on 08 Nov 2010

This image of a male of the same species is taken as a single exposure using a strobe light - a very fast flash with the shutter held open. 80Hz means 80 flashes a second, so the image below last for about 1/10th second. These have to be photographed against an extremely black background (typically 20 flashes hit it) and are not photo montages but made 'in the camera' with the images appearing to be transparent.


Ref: 20101108_da1_20100917_1234_018_ft1 common darter dragonfly male in flight strobe @ 80hz (crop)(r+mb id@768).jpg


Image Taken on 16 Aug 2010 at 13:58    Image of day on 01 Oct 2010

A common darter dragonfly in flight. Darters dragonflies are intermediate in size between Damselflies and Hawker Dragonflies and you may spot them perching on overhanging pond side foliage, taking off and returning to the same spot.


Ref: 20101001_da1_20100816_1358_053+1544_157_ft1 common darter dragonfly male in flight with flag iris leaf (montage)(r+mb id@1024).jpg


Image Taken on 18 Aug 2014 at 12:45    Image of day on 26 Oct 2014

A Common Darter Dragonfly landing on a pondweed encrusted twig. The right hand image is moved right - it was making a more vertical landing than appears here.


Ref: 20141026_df2_20140818_1245_487+489- common darter dragonfly male landing on stick 1+3 of 3 (adjusted montage)(r+mb id@768).jpg


Image Taken on 15 Sep 2018 at 12:25    Image of day on 06 Nov 2018

A male Common Darter Dragonfly surveying the surroundings from the tip of a cut stinging nettle.


Ref: 20181106_df3_20180915_1225_018 common darter dragonfly male mature(r+mb id@768).jpg


Image Taken on 29 Jul 2014 at 12:14    Image of day on 04 Oct 2014

Our pond side Dragonfly perch was knocked downward by some visitor - maybe a bird trying to land on it - and we reinstalled it (i.e. pushed in into a fresh bit of pond side mud). Almost immediately this male Common Darter Dragonfly changed his lookout post to make use of the new facility.
If you have a pond, try it yourself - a stick 45cm to 60cm long stuck in the edge sloping up over the water. It will mostly likely be adopted quickly by any Darter Dragonfly that visits your pond. If you don't have a pond - make even a tiny one!


Ref: 20141004_df2_20140729_1214_015 common darter dragonfly male on pond side twig (crop)(r+mb id@1024).jpg


Image Taken on 29 Aug 2018 at 15:40    Image of day on 19 Oct 2018

The corrugated iron sheet put down to attract snakes hasn't shown us one for months, But the warm white(ish) metal attracted this male Common Darter Dragonfly.


Ref: 20181019_df3_20180829_1540_060 common darter dragonfly male perched on corrugated iron sheet(r+mb id@768).jpg


Image Taken on 27 Aug 2013 at 09:50    Image of day on 28 Oct 2013

A male Common Darter dragonfly waits for the sun to warm him up. He is a hunter - not interested in the flowers for nectar.


Ref: 20131028_df1_20130827_0950_162 common darter dragonfly male perched on spent purple loosestrife (adjusted crop)(r+mb id@768).jpg


Image Taken on 18 Sep 2009 at 14:52    Image of day on 01 Nov 2009

This a montage of 5 images showing a common darter dragonfly taking off from a branch. The spacing of the first 3 is forced horizontally because they would overlap, but the vertical rise is accurately montaged.
The transition between still and having left the branch takes 66mS (2 frames at 30fps). Hooray for a camera that can store what happened before you press the button even if the quality is not 'premium'.


Ref: 20091101_cf1_20090918_1452_885-889 common darter dragonfly male vertical takeoff @ 30fps (vertically accurate montage of 2-6 of 7)(r+mb id@576).jpg


Image Taken on 04 Sep 2013 at 12:22    Image of day on 04 Nov 2013

An old female Common darter dragonfly warms herself in the sun. The mouth (left) is slightly open.


Ref: 20131104_df1_20130904_1222_198 common darter dragonfly mature female (crop)(r+mb id@768).jpg


Image Taken on 30 Aug 2009 at 10:09    Image of day on 10 Oct 2009

This quite old female common darter dragonfly is very faded but in otherwise good condition and a good flyer.


Ref: 20091010_da1_20090830_1009_115+1014_134_ft1 common darter dragonfly over mature female in flight with hawthorn twig (montage)(r+mb id@576).jpg


Image Taken on 25 Aug 2017 at 13:36    Image of day on 11 Oct 2017

Out first Darter Dragonfly of 2017 is appropriately a 'Common Darter', here perched on the leaves of the Dogwood that dominates the island of the duck-shaped pond looking for something to hunt and something to mate with.


Ref: 20171011_df3_20170825_1336_004 common darter dragonfly perched on dogwood at duck-shaped pond (orig)(r+mb id@768).jpg


Image Taken on 08 Aug 2014 at 10:19    Image of day on 19 Oct 2014

This is the Common Darter dragonfly, perched above a Hop sedge cluster of seed heads. Look at the subtle colouration.


Ref: 20141019_df2_20140808_1019_165 common darter dragonfly perched on hop sedge (crop 2)(r+mb id@768).jpg


Image Taken on 06 Aug 2016 at 14:36    Image of day on 29 Sep 2016

The Common Darter Dragonfly finally decided to sun itself on this seed head.


Ref: 20160929_df3_20160806_1436_187 common darter dragonfly perched on seed head(r+mb id@768).jpg


Image Taken on 07 Aug 2008 at 15:32    Image of day on 20 Aug 2008

... and from the same frame extreme detail of the eye.
We have never noticed before that the eyes not only have two separately coloured areas, but these areas have different 'honeycomb' sizes and curvatures, presumably with different optical characteristics. You could spend a lifetime researching these amazing creatures so little changed from fossils millions of years old.


Ref: 20080820_da1_20080807_1532_023 common darter female 2 eye detail(r+mb id@576).jpg


Image Taken on 07 Aug 2008 at 15:32    Image of day on 20 Aug 2008

A minute or so before the above it was on a stone where we took this close-up of the head and thorax.


Ref: 20080820_da1_20080807_1532_023 common darter female 2 head & thorax detail(r+mb id@576).jpg


Image Taken on 07 Aug 2008 at 15:33    Image of day on 20 Aug 2008

A female Common Darter dragonfly warming herself on the back of a garden seat, positioned herself vertically to catch the sunshine. A newsletter recipient tells us this is called the obelisk position, normally used at midday to keep cool.


Ref: 20080820_da1_20080807_1533_047 common darter female 2 positioning herself to warm in the sun(r+mb id@576).jpg


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