Glue traps are useful monitoring tools that can also be used to eliminate pests. However, traps should be replaced when they are no longer effective, and when accurate pest counts cannot be made.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/99758165@N06">NY State IPM Program  at Cornell University</a> from New York, USA
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<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/99758165@N06/10157244173/">Replace Old Glue Trap</a>