Signs You May Have a Cockroach Infestation You could have a cockroach infestation even if you haven't seen any roaches ...

The dark brown cockroach crawling up professor Agus Muñoz-Garcia’s right arm gives him no reason for worry. He grins as the creature makes its way toward his elbow, knowing the encounter is harmless.

In some regions, oriental and smoky brown cockroaches are often mistaken for water bugs. While roaches and water bugs are dark brown, water bugs have powerful front legs adapted for swimming.