The most common and important pest cockroach is the _____.

• A. American
• B. German
• C. Oriental
• D. Brown-banded

Answer: (B)

In homes and food-service settings, the species you’ll encounter most often and that drives the most pest-control activity is the German cockroach. It’s a small, light brown roach with two parallel dark stripes behind the head, which helps it hide in cracks, cabinets, and other indoor nooks. Its rapid reproduction—females produce multiple egg cases with many offspring—allows populations to grow quickly if sanitation isn’t tight. This combination of indoor tolerance, fast breeding, and global ubiquity makes it the most common and significant pest in kitchens and other indoor areas, warranting the most attention in control efforts. The other roaches tend to be less common inside typical living and food-prep spaces, which is why they aren’t considered the primary pest in these settings.