Here’s something restaurant managers and owners need to know about cockroaches: they’re smart and getting smarter. First, they are learning to detect when a chemical pesticide has been sprayed or applied. Second, it doesn’t matter too much to them even if it has.
In fact, some of the most common types of cockroaches, such as the German cockroach (Blattella germanica), have developed what are referred to as biological “buffers.” Even when a chemical pesticide has been applied full force, these buffers protect the insect from dying or possibly even getting sick.
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