From owner-drosophila@net.bio.net Fri Jan 05 22:00:00 1996 Path: biosci!agate!news.Stanford.EDU!nntp-hub2.barrnet.net!newsfeed.internetmci.com!info.ucla.edu!unixg.ubc.ca!michael From: michael@unixg.ubc.ca (Mike Harrington) Newsgroups: bionet.drosophila Subject: Re: sperm Date: 6 Jan 1996 04:00:14 GMT Organization: University of British Columbia, Vancouver, B.C., Canada Lines: 13 Message-ID: <4cks4e$545@nntp.ucs.ubc.ca> References: <1996Jan2.230354.1899@gems.vcu.edu> NNTP-Posting-Host: netinfo.ubc.ca X-Newsreader: TIN [version 1.2 PL2] mdowd@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 .