Treating cockroaches in bars

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March 24, 2023

Andrew Fisher

Andrew Fisher, BCE, PHE

When servicing older facilities, especially those with bar areas, keep in mind American cockroaches (Periplaneta americana) are highly attracted to malt beverages like beer — particularly the hops, yeast and sugars. The drains in a bar area seldom get cleaned as frequently as other drains; therefore, they tend to dry up more often. Because American cockroaches commonly enter via dry drains, this makes bar areas more susceptible.

Place glue boards out of sight, underneath the bar where the monitor will not get wet or compromised. If you observe activity, apply gel bait in the area where beer was present to get rid of the existing cockroaches.

Once an American cockroach establishes a food source (such as beer), it will lay a pheromone trail to lead more cockroaches to the area. Pouring hot water down the dry drain will create slick conditions that are harder for the cockroaches to climb, and dislodge lingering organic material.

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About the Author

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Fisher is a professional pest business unit specialist at Neogen.

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