In pest control, few challenges are as persistent as dealing with German cockroaches (Blattella germanica). In a recent episode of Pest Posse TV, Dr. Tim Husen, BCE, PHE, PCQI, technical services manager for Syngenta Professional Pest Management, shared insights into German cockroach behavior, effective control strategies and the latest advancements in cockroach baits. Here’s a rundown of essential tips every pest management professional (PMP) needs to know.
Cockroach behavior
German cockroaches are unique in that they thrive in close proximity to humans. Unlike other cockroach species that can survive on detritus outside, German cockroaches have become “commensal” with humans. This means they’re not just opportunists; they actively seek out environments where food, water and shelter are readily available — such as kitchens and bathrooms. Their rapid reproduction rate makes them particularly challenging, with exponential growth potential if left unchecked.
Identification is important
Identification is key for any control strategy. Each cockroach species has distinct habits and habitat preferences, influencing the treatment strategy. For instance, German cockroaches often harbor in cracks and crevices near food sources. Misidentifying the species can lead to ineffective treatments, so make identification a priority. This expert knowledge sets PMPs apart from do-it-yourself (DIY) solutions, adding credibility and value to their services.
Are you removing switchplates for inspection and possible treatment? You should be. PHOTO: THE PEST POSSE
Top control mistakes
A common mistake in cockroach control is insufficient assessment. You must thoroughly evaluate infestation levels with a comprehensive inspection using tools including a high-lumen flashlight, glue boards and flushing agents. Time constraints also can lead to rushed services, reducing treatment effectiveness.
Another critical error is failing to set realistic client expectations. Let clients know how long your treatment will take to work and when they should expect follow-up visits.
Advanced control techniques
Combining advanced chemical applications with robust sanitation and exclusion measures is crucial. Cockroaches are resilient pests that thrive in environments rich in food, water and shelter. Limiting these resources will create conditions that stress cockroach populations, making your control measures more effective.
Moving forward
Effective cockroach control requires a combination of accurate identification, thorough assessment and innovative products. Provide your clients with long-lasting solutions — and reinforce your professional reputation — by staying updated on the latest research and tools. As Dr. Husen notes, controlling cockroaches isn’t just about elimination; it’s about strategic, science-backed management too.
Learn more about cockroaches and other pests by utilizing the pest control industry’s only continuous training solution, Pest Posse Academy, available here.
About the Author
Brusca is co-owner of The Pest Posse. He can be reached online at info@thepestposse.net.
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