Risk level: high (rapid indoor infestation; allergens and contamination). This is the roach that actually matters — the one that infests homes and needs professional treatment.
How to identify them
- Size: small, about half an inch.
- Color: light brown or tan with two dark parallel stripes behind the head.
- Where: indoors, near food, water and warmth — kitchens and bathrooms, behind appliances, under sinks.
- Pattern: seen repeatedly and in growing numbers, often at night when you flip on a light.
Why they matter
German cockroaches reproduce extremely fast — a small population becomes a full infestation within weeks — and they spread bacteria and allergens across food-prep surfaces. Their droppings and shed skins are a documented asthma trigger. They also travel through shared walls in multi-unit housing, which is why an infestation isn't a reflection of cleanliness.
What to do
DIY sprays and foggers fail — foggers scatter them deeper into voids. Effective control is gel baiting plus targeted harborage treatment, addressing moisture and clutter, and (in apartments) coordinating with neighboring units. See cockroach control, our kitchen test, or book a free inspection.
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