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German Cockroaches

German Cockroaches

Quick Reference Facts

Common Name: German Cockroaches
Common Traits: Color: Light Brown to tan with two dark stripes, Shape: Oval, Size: 1/2 - 5/8" long, Region: Throughout the U.S. and world
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Prevention Methods

  • Vacuum frequently and dispose of garbage
  • Keep counters and floors clean and free of crumbs
  • Pay attention to used items or food brought into the house


The German cockroach is the most common species of cockroach, found all over the world. German cockroaches prefer to live in cracks and crevices near food and moisture sources, hence their affinity for residential and commercial kitchen environments.


German cockroaches are found throughout structures, but they prefer warm, humid places. They are commonly found in kitchens and bathrooms. They are good hitchhikers and often find their way into new structures via grocery bags, cardboard boxes, drink cartons and secondhand appliances.


In addition to being a nuisance, the German cockroach has been implicated in outbreaks of illness and allergic reactions in many people. Cockroaches have been reported to spread at least 33 kinds of bacteria, six kinds of parasitic worms and at least seven other kinds of human pathogens. Medical studies have shown that cockroach allergens cause allergic reactions in children and can exacerbate asthma attacks.

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Information provided by the National Pest Management Association