The glass jar works well where there is only one entrance available.
I use a cup of ammonia on ground nests and cover with a piece of
plastic to hold the fumes.  Not polluting like gasoline, it becomes
fertilizer for the grass.
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+    Raymond J. Lackey                                     +
+    Beekeeper 10 years with 25 colonies on Long Island, NY+
+    INTERNET: [log in to unmask]                       +
+    Mail: 1260 Walnut Avenue, Bohemia NY 11617            +
+    Home Phone: 516-567-1936  FAX: 516-262-8053           +
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