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| 1. Time: 21.00h. The larva climbs out of it's tank and to the top of the stick. | 2. Time: 0.00h. The back of the thorax breaks and the thorax of the dragonfly bulges out. |
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| 3. Time: 0.15 h. The Dragonfly hangs out of the larval case, head down. Some of the legs and the wings are still half in the larval case. | 4. Time: 0.30 h. All legs and wings are free now. The dragonfly hangs like this for about half an hour. |
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| 5. Then it climbs out of the case and starts pumping blood into the wing veins... | 6. ... to stretch them... |
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| 7. Time: 1.15 h. The wings are almost stretched and look milky white. | 8. Time: 2.00 h. The wings are about ready now. The abdomen is stretching as well. |
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| 9. Time: 5.30 h. The newborn dragonfly spreads it's wings. It can fly now, if necessary, but it's better to wait until everything has hardened a little more. | 10. Detail of the dragonfly on it's exuviae. |
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| Aeshna isosceles (male), during and right after emergence. | |
| English name: | Norfolk Hawker |
| Dutch name: | Vroege glazenmaker |
| Photos taken in my bedroom in Gouda, The Netherlands, on the 30th of April 2000 and in my backyard, 1st of May 2000. Bottom picture made on the 2nd of May, 2000. | |
Note: these pictures were made with flash (except for photo 12), as the emergence took place at night.
The larva was caught on the 2nd of April, 2000, in the Reeuwijkse Hout, The Netherlands. The emergence took place on the 30th of April, 2000. The dragonfly has been released the next day.
Emergence started at 21.00 h and ended (with the first flight) at about 6.30 h in the morning. I didn't sleep all night, but it was worth being tired!!!
© 2005 by Antoine van der Heijden