I am a private pest control operator for a mall, and I've run out of methods to control the German roach problem at the foodcourt area. I've used many products - talstar, demon, demand, boric acids, etc. We have approximately 30 restaurants and the service is being done once a month. Please give me advice on what methods or products I can use.
It may come across as a little simplistic on my part, but I assure you that all of the products you have used so far will kill German Roaches very effectively if....... that nasty word "if"...... the roach and the active ingredient are coming together for a sufficient length of time. I don't think we should consider resistance to pesticides as the problem, so if roaches are still active in these areas they must be hiding in places that you still have not discovered and treated. Even with some amount of repellency that might be a factor with pyrethroids (like talstar, demon, demand), I believe that a roach is going to rest on a treated surface if you have been able to place your prod... Read more
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