I found a few superb videos (by a canadian guy) recently. They were taken here and in Mexico. They are about various bees and wasps and the incredible interactions they have with flowers. If you watch the orchid bee video you will get one level of compexity.
Thats the one in Mexico http://www.youtube.com/watch?v=gEcv3dBuOe4
But the complexity is also here in one of his other videos. http://www.youtube.com/watch?v=FiwkJui2mh0
There is also a good one on a wasp nest and other insect videos that I have not looked at.
It is exceptional quality in video and in explanation and he has a great voice for it too.