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From: arf@gagme.chi.il.us (jack schmidling)
Newsgroups: sci.bio
Subject: MOTH FLUTTER
Message-ID: <1245@gagme.chi.il.us>
Date: 15 Mar 91 01:13:28 GMT
Organization: GAGME Public Access UNIX, Niles, IL, USA
Lines: 26


 
 Article 4097 (15 more) in sci.bio:
 From: kuento@kuhub.cc.ukans.edu
 Subject: Re: moth flutter
 
 >Moths and many other insects are attracted to bright lights 
 because they try to keep the light *above* them as they fly 
 (this is normally where the moon will be in their field of 
 vision). Artificial lights are disorienting because when the 
 insect shifts around so the light
 the long axis of the light source.
 
 ARF says:
 
 Perhaps the key lies in the above but I fail to see it.
 
 Try explaining it using flourescent tubes in various 
 attitudes and then with a point source.
 
 I have visions of a moth flying on its side, endlessly 
 circling but never having to get near the light to keep it 
 "up".
 
 arf