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From: lw0y+@andrew.cmu.edu (Laurie Walz)
Newsgroups: sci.bio
Subject: Insect control
Message-ID: <cYkrBjy00UzxM201Nt@andrew.cmu.edu>
Date: 15 Aug 89 18:14:07 GMT
Organization: School of Urban and Public Affairs, Carnegie Mellon, Pittsburgh, PA
Lines: 6

Anybody out there who is familiar with those electronic
insect repellants that send out a high-frequency sound that
is iritating to insects (like roaches)?  Do they really
work?  Sounds too good to be true.

Any opinions would be greatly appreciated.