[Tweeters] Barn and Tree Swallows and Insecticide spraying

William Thacker twxster at gmail.com
Mon Aug 20 18:10:56 PDT 2018

A good number of years ago there were unannounced sprayings of insecticide
by aircraft in the Seattle area. Could this still be with us and could the
number of insects be reduced such that it could influence the the swallow

William Thacker
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