Roswell rods as these are known as have been fairly well debunked.
It's an artifact produced when a camera takes a photo of a flying insect capturing several wingbeats before the shutter closes.
There are several sites online showing how to produce this phenomenon.
6 posted on 01/12/2010 10:45:56 AM PST by Dr.Zoidberg
(Warning: Sarcasm/humor is always engaged. Failure to recognize this may lead to misunderstandings.)