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Pest Library · Roaches & flies

Waterbugs

Blatta orientalis (Oriental cockroach)

What New Yorkers call a waterbug is almost always the Oriental cockroach, a dark roach that loves damp basements.

Waterbugs character
Spring and early summer, in basements and around drains.
Cooler and wetter than other roaches: crawl spaces, drains, damp basements, under stoops and mulch.

In New York, "waterbug" usually means the Oriental cockroach, a big, dark roach that lives in damp basements and drains. It is a cockroach, and it is treated like one.

Where they come from

Likely from North Africa or the Black Sea region, spread worldwide by trade ships.

Where they thrive

Cooler and wetter than other roaches: crawl spaces, drains, damp basements, under stoops and mulch.

How they behave

Shiny black, about 1 inch, and cannot fly. Slow, smelly and stuck at ground level.

In New York City

New Yorkers say 'waterbug' for any big roach. The Oriental is the one most active in spring.

Did you know?

They cannot climb smooth surfaces, which is why they turn up trapped in sinks and tubs.

Think you have Waterbugs?

Book a free inspection. We'll find where they're coming from and send you a written plan.