FROM A DISTANCE OF FOURTEEN MILES...
http://www.youtube.com/watch?v=018C2oG2RcsPublished on May 20, 2012
This is a short clip from the DVD "Exploring the Spectrum" by Dr. John Nash Ott. The video deals with the biological effects of natural and artificial light frequencies, and other electromagnetic frequencies. The aphids appear to dance in a manner synchronized to the passage of a radar beam of 14 miles distance, as determined by Dr. Ott. There are a few other "Dancing Aphid" videos on YouTube which show a similar phenomenon, but none appear aware of this possible explanation.
For more details see:
Exploring the Spectrum: John Ott DVD
http://www.exploringthespectrum.com