We saw some big roaches in the basement... ya think! The good old American Cockroach (Americana blatanica) and he is VERY common in major cities. The older the building the better chance you have of seeing this guy. The are BIG roaches! Many people call them the water bug or palmetto bug.
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Despite their pronounced wings they are not great flyers, they sort of flutter for short distances. They inundate city sewer, septic, steam, etc. pipes and get into buildings this way. In really urban sections they walk the streets on hot and humid days having come out of the underground street pipes. You can treat and suppress their activity but the real solution in those inaccessible pipes.
General Manager - Staff Entomologist