It was September, 2015 when Noushka invited me to be a contributor to Dragonfly World. Until now, I have thought that I didn't have anything interesting to contribute, but I had a splendid experience on Monday 23rd May which I feel may be of interest to people who visit this site. I apologise if the photography is not up to the usual high standard you are accustomed to.
It was at 11h31 that I noticed a dragonfly nymph making its way across the weed. I subsequently confirmed that this was of White-faced Darter (WFD) - Leucorrhinia dubia.
| White-faced Darter (Leucorrhinia dubia) (nymph) - Whixall Moss |
I watched it for a while as it travelled over weed, under water, and through a 'soup' of algae.
| White-faced Darter (Leucorrhinia dubia) (nymph) - Whixall Moss |
It was then that 'the penny dropped' - 'it's making for the bank and it's going to emerge!!!'
11h50 = datum + 000 minutes Nymph leaves the water and starts ascending the bank
| White-faced Darter (Leucorrhinia dubia) (nymph) - Whixall Moss |
Now this is the sad bit! I was standing about 10 feet (3
metres) away and the nymph crawled into the vegetation and I lost sight
of it. I went round to the area that it had disappeared into but didn't
dare search too closely for fear of damaging it. I couldn't find it so
then retreated again to my original position. I spent some time watching
and then gave up, being distracted by other things going on.
Suddenly I noticed that a dragonfly had emerged from its casing
immediately above where I'd seen the nymph emerge. I'd missed the
hanging downwards bit whilst the legs, etc dried, and here it was with
body upright and wings just emerged.
This is the bit that I missed, and this is of another individual taken that same day.
| White-faced Darter (Leucorrhinia dubia) (emerging female) - Whixall Moss |
All the following images are now of the original individual observed.
12h48 = datum + 058 minutes Dragonfly now emerged and hanging on to the exuvia
| White-faced Darter (Leucorrhinia dubia) (newly emerged female) - Whixall Moss |
The thing that I found remarkable at this stage was that the WFD sported an almost luminous green face!
I was now watching intently and determined to see this through until it took its first flight.
12h55 = datum + 065 minutes Wings now starting to fill out
Just seven minutes later and the emergent WFD was starting to look different. The green face was now yellow, and the wings were taking shape. It had also moved slightly higher up the blade of grass.
It was now getting more breezy and sunny weather was starting to give way to cloud. This meant that the newly emerged dragonfly was blowing around and making photography more difficult.
13h20 = datum + 090 minutes Wings now getting much clearer
13h24 = datum + 094 minutes First partial opening of wings
At around this time I got the impression that the process had slowed down somewhat. This might well have been due to conditions turning dull and colder, with an increasing breeze.
13h41 = datum + 111 minutes Abdomen extending and starting to take on colour
14h23 = datum + 153 minutes Wings spread, abdomen extended, and markings visible
14h47 = datum + 177 minutes Markings clearly visible and abdomen well-coloured
Whilst taking those last two images, I sensed by the movement that she was ready to fly, and moments later she flew and disappeared into the distance. It had been almost exactly 3 hours from the nymph leaving the water to the flight of the teneral adult. This was the first time I'd ever watched the transition from nymph to teneral adult, but I hope it won't be the last.
My last act before heading homeward was to take the exuvia as a souvenir, and carefully place it in a glass phial that I'd taken for this very purpose! This itself was a rather hazardous process as it twice blew away as I was attempting to coax it into the phial!
| White-faced Darter (Leucorrhinia dubia) (exuvia of female) - from Whixall Moss |
Please forgive me if I have broken any of the rules with this post - it is my first time!