How Long Do Roaches Live?

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german cockroach

Unfortunately, cockroaches seem to be everywhere and, let's face it, nearly indestructible. But have you ever wondered, how long do roaches actually live? The lifespan of a roach depends on a few key factors. 

How Long Do Roaches Live For? 

The average lifespan of a roach is around one year. However, this can differ depending on the species:

  • American Cockroaches: These large reddish-brown roaches can live up to one year, with females potentially living even longer.
  • German Cockroaches: The smaller, more common roach variety lives for an average of 100 days.

How Long Do Roaches Live Without Food and Water? 

As cold-blooded insects, roaches have a slower metabolism compared to warm-blooded creatures. This means they require less energy and can survive longer without food. They can go about 1-3 months without it, depending on the type of cockroach. On the other hand, the are susceptible to dehydration and won't survive for more than a week without access to water.

Factors Affecting Roach Lifespan

Just like with us, the lifespan of a cockroach is influenced by a combination of genetic, environmental, and ecological factors. In addition to species, here are some more influences on roach lifespan: 

  • Habitat: A safe, warm environment with ample moisture promotes longer lifespans.
  • Predators: Falling prey to natural enemies like lizards or spiders shortens a roach's life.
  • Competition: In crowded roach populations, competition for resources can decrease lifespan.

Professional Roach Control

While roaches aren’t immortal, they are still persistent. It can be difficult to get rid of roaches on your own, so if you’re dealing with an infestation, call Garella! Our exterminators in Illinois have the tools to keep your home pest-free for the long run. Get started with a free quote today!

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