Correct ID and behavioral knowledge are essential for German cockroach control

Isabelle Lucero

J.T. Eaton

German cockroaches are known to have very high levels of resistance to many AIs, especially pyrethroids, because of their rapid reproduction rates. As a result, never rely on a single product for control. Instead, follow IPM practices and rotate AIs to reduce the likelihood of insecticide resistance developing.

One great tool we have to combat German cockroach infestations is insecticidal bait. These baits come in various AIs and matrixes, making them an easy tool to rotate. Because studies have shown German cockroaches are not able to locate baits based on scent alone, baits need to be placed where they are foraging or aggregating to increase the likelihood of detection and consumption.

For peridomestic cockroaches, multiple species are expanding their ranges — and many cockroach species look extremely similar. One example is the Turkestan cockroach (Blatta lateralis), which many entomologists believe is more widespread than previously known. It is often misidentified because of the female’s close resemblance to the Oriental cockroach (B. orientalis). Correct identification and knowledge of species behavior are essential to performing effective treatments.

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from Pest Management Professional https://www.mypmp.net/correct-id-and-behavioral-knowledge-are-essential-for-german-cockroach-control/
Sacramento CA