Q:

How long do cockroaches live?

A:

Quick Answer

The American cockroach lives for about two and a half years. Its adult life lasts approximately a year and a half, and the nymphal stage lasts 11 to 14 months. There are more than 4,000 species of cockroaches, many with similar adult lifespans.

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Full Answer

The cockroach has been around since the Carboniferous period, which took place about 315 million years ago. These insects vary in size from 3 millimeters to 80 millimeters. Size does not seem to affect a cockroach's lifespan; the Oriental cockroach has a life cycle similar to that of the American cockroach, even though it is a smaller species.

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