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Dragonfly ID Pointers

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Old Wednesday 27th June 2007, 10:15   #51
Binocularface
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Azure Hawker

Azure Hawker (male) ID pointers:
  • Blue & Black abdomen (lacks any yellow markings)
  • Very short blueish antehumeral stripe
  • Narrow bluish stripes on side of thorax
  • Short eye contact (the contact area between the eyes should be roughly equal to the length of the occipital triangle)
  • Lacks bright yellow or brown colouration to the costa
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Old Wednesday 27th June 2007, 10:37   #52
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Northern Emerald - Female

As I only have pics of a female - this will concentrate on the ID points of female Northern Emerald:
  • Very dark green overall colouration
  • Broad base to abdomen
  • Large bright yellow spots on sides of segment 2 (much reduced in Brilliant and absent in Downy)
  • Yellowish spots on raised area below antehumeral region
  • Small yellow spots on sides of fronds (very estensive in Brilliant and absent in Downy)
  • Vulva scale under segment 8 held parrallel (right angle in Brilliant and does not protrude in Downy)
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Old Thursday 12th July 2007, 11:35   #53
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Odonata recognition course

Anyone in Derbushire or the north Midlands might be interested in this.

Still places on this course going begging:

KNOW YOUR DRAGONS AND DAMSELS

Saturday 11th August £17 (£13 DWT members)

10am to 4pm

Hilton Gravel Pits and Hilton Scout Hut

Tutor: Dave Goddard

Must be pre-booked.

Come along and learn how to identify these beautiful insects as they fly around the ponds at Hilton. An inside session will be followed by an afternoon walk, to put into practice what we have learnt in the morning.

Ring 01773 881188 in office hours to book.
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Old Saturday 4th August 2007, 19:11   #54
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Differences in the Male Red-eyed Damselfly and the Male Small Red-eyed Damselfly

Differences in the Male Red-eyed Damselfly and the Male Small Red-eyed Damselfly

The 1st image is of the Red-eyed Damselfly segments 9 & 10 Blue

The 2nd image is of the Small Red-eyed Damselfly Segments 2 & 8 plus
9 & 10 are blue segment 8 is only blue bottom & Sides see arrows
Also on segment 10 tip of the abdomen looks like a X

Small Red-eyed is about 4/5mm shorter
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Old Thursday 16th August 2007, 10:58   #55
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Help with Basque dragonfly

This was walking long the road near Elantxobe (Euskadi, N. Spain) last week amidst limestone oak woodland - no wet places that I could see. Any suggestions? PS: I moved it Somewhere safer!
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Old Thursday 16th August 2007, 12:24   #56
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Quote:
Originally Posted by paul mabbott View Post
This was walking long the road near Elantxobe (Euskadi, N. Spain) last week amidst limestone oak woodland - no wet places that I could see. Any suggestions? PS: I moved it Somewhere safer!
From memory the thorax and abdomen pattern looks like Onychogomphus uncatus but I don't have my books here and my memory's not quite as sharp as it once was!

HTH
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Old Friday 17th August 2007, 10:54   #57
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I am glad I found this thread!

Over the weekend I decided to digiscope some dragonflies for a change and as I know virtually nothing about them I was hoping somebody can help with ID.

No. 1: I guess this might be a Common Blue as there were dozens of them around.

Nos 2,3: Ruddy Darter?

No. 4: Haven't a clue!

Really must buy a fieldguide.

Regards

Dave
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Old Friday 17th August 2007, 11:03   #58
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Quote:
Originally Posted by DJW View Post
I am glad I found this thread!

Over the weekend I decided to digiscope some dragonflies for a change and as I know virtually nothing about them I was hoping somebody can help with ID.

No. 1: I guess this might be a Common Blue as there were dozens of them around.

Nos 2,3: Ruddy Darter?

No. 4: Haven't a clue!

Really must buy a fieldguide.

Regards

Dave
Dave - It would have probably been better to start a new thread with your questions so that this thread could be specifically for ID pointers.
However I agree with your first three identifications. The fourth image shows a Black-tailed Skimmer.

Regards
Tristan
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Old Friday 17th August 2007, 14:20   #59
DJW
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Quote:
Originally Posted by Tristan R View Post
Dave - It would have probably been better to start a new thread with your questions so that this thread could be specifically for ID pointers.

Regards
Tristan
Sorry

Quote:
Originally Posted by Tristan R View Post
However I agree with your first three identifications. The fourth image shows a Black-tailed Skimmer.

Regards
Tristan
Thanks for the info.

Regards

Dave
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Old Thursday 8th November 2007, 14:08   #60
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No dragonflies around here at the moment but as a new member I was reading some of the old threads and came across Adeys post on telling the difference between the common blue and azure damselflies. I have lots of pictures of common blues but did not realise how close they looked to the azure. A quick flick through them turned up an azurewhich is a new "tick"
cheers
Dave
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Old Wednesday 14th May 2008, 12:43   #61
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Query

This was over my garden pond yesterday - hope the link works.

http://www.jpgmag.com/photos/679766



Phil
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Old Wednesday 14th May 2008, 12:47   #62
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Quote:
Originally Posted by RedbournPhil View Post
This was over my garden pond yesterday - hope the link works.

http://www.jpgmag.com/photos/679766



Phil
Aggghhhhhhh. The dreaded Large Red Damselfly. lol.

Harry
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Old Tuesday 17th June 2008, 19:19   #63
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Brilliant thread!!!

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Old Saturday 5th July 2008, 15:03   #64
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As Southern Damselfly "Coenagrion mercuriale" has not appeared on this thread yet, I thought I`d add it.

Southern is the smallest of the blue Damselflies.
It is found on small steams & flushes in southern England, south Wales & Anglesey.
The male has a "Mercury" mark on S2, and spear marks on S3 & S4.
The female,though a blue form exists, normally has an abdomen which is dull green below & mainly black above,with a Thistle shape on S2, there are blue divisions between the last few segments ( Distinct from Small Red "Melanogastrum" form which has red divisions.
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Old Tuesday 14th July 2009, 06:17   #65
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Great thread

Some amazing photo's and very knowledgeable people here. I am quite new to this, I got this shot of what I think is a Female emerald damselfly. Not seen one on here yet so thought I would post it. Neil.
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Old Monday 24th August 2009, 06:12   #66
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Many thanks to everybody for amazing photos and information. I reckon I better practice my photography skills and invest in a decent macro lens.

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Old Friday 25th September 2009, 13:01   #67
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Great thread which I've just found. I've got some lestes shots I will try and post once I've worked out how to do so.

Its a bit subjective but generally I find Common Blue Damsel is paler blue than Azure and likes larger bodies of water
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Old Friday 27th November 2009, 20:52   #68
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Dragonfly Pictures

For your consideration....my Dragonfly Pictures section was organized around this thread's Dragonfly Identification theme.

It focuses on North American dragonflies, and in most cases, species field identification tips are provided along with pictures of male and female specimens.

Dragonfly watching can be an enjoyable exercise in and of itself. Its utility expands when the fact that the presence of dragonflies in an area indicates good water quality, is taken into consideration.
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Old Saturday 5th June 2010, 20:14   #69
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Variable Variable

I've made this composite picture of three male Variable Damselflies which probably won't help ID but does show three very different antehumerals. All taken today (5/6/10) near Reading.
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Old Sunday 8th August 2010, 20:18   #70
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Believe it or not this is the first 'Dragon' I've seen this year!!...Correct me if I'm wrong but I think it's a Common Darter....

P.s. like others have said, some amazing photo's on this thread!!
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Old Friday 21st February 2014, 08:24   #71
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Emeralds

Couple of Norfolk specialities for comparison: Southern Emerald and Willow Emerald
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Old Friday 21st February 2014, 08:36   #72
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Two more Emeralds

For comparison, another Willow Emerald (showing bicoloured pterostigmata) and a 'common' Emerald Damsel.
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