Day 1 (20.06.2011)
A female is laying eggs in a form of a large heap on the underside of nettle's (Urtica dioica) leaf. Day 10 (29.06.2011)
Caterpillars have hatched and are feeding in companies. Day 16 (05.07.2011)
They are growing and growing
![Smile :)](./images/smilies/icon_smile.gif)
Before they began with each molting process, caterpillars grouped together and stood still about half a day. They were negative phototaxic during that time. Day 25 (14.07.2011)
In the final instar caterpillars are black with white dots and are very greedy
![Smile :)](./images/smilies/icon_smile.gif)
Caterpillars pupated. There were exactly 325 pupas. 8 of them did't survive or had some problems during pupation. This picture was taken a day or two before butterflies emerged: Day 40 (29.07.2011)
Butterflies emerged and were immediately released to freedom
![Smile :)](./images/smilies/icon_smile.gif)
http://www.youtube.com/watch?feature=pl ... UcRviTK9rI[/video]