sperm

[Mike Harrington]

mdowd at gems.vcu.edu wrote:
: I have recently read that the sperm of one species of Drosophila is more than 
: two inches long.  Is this true?

I just came across an interesting article on this subject:

Delayed male maturity is a cost of producing large sperm in *Drosophila*.  
By S. Pitnick, T.A. Markow, and G.S. Spicer in P.N.A.S. (92:10614-8)

They give the record to *D. bifurca* which has an average sperm length of 
58mm.  
					Mike Harrington