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A Cockroach Life Cycle: How Long Do Cockroaches Live

how long do cockroaches live

Cockroaches are one of the most common pests that invade homes and businesses. They can be a nuisance with how quickly they reproduce, how hard they are to get rid of, how long it takes for them to die, and how gross they can be by looking at them.

You can expect a cockroach or two to crawl around or eat your food. Cockroaches are highly adaptable to their surroundings.

That’s why they do whatever it takes to survive, no matter how harsh or different their environment is. The only way to let the tragedy end is to kill them and get them away.

This article will discuss how long do cockroaches live and provide some tips on how you can keep this german cockroach out of your home or business.

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How Long Do Cockroaches Live?

Each of the cockroach species has a different lifespan. For instance, German cockroaches live up to less than 200 days.

However, they also reproduce the fastest among other variants, with up to 40 eggs almost every month.

American cockroaches are the largest (in size) house-infesting cockroaches. The male of this species can live for 362 days, while females can live for more than 700 days.

Lastly, oriental cockroaches are excellent at adapting to their environments. Regardless, they can last only around 160 days for males and 180 days for females.

Cockroach Habitat

Roaches love dark and warm places; that's why you are so attractive to them. The people want to be warm, having all sorts of places to go and be closest to food and water. There are about 70 species in the U.S., some estimates say.

The insects prefer to spend the night. That's why they're usually seen when they turn on the light.

Even with their little bodies in their tiny cavities, the crawlies can easily enter their building or the building's structure, even into a hole. They prefer the darkness for finding food or breeding activities for catching food.

Roach Behavior

At 24h Pest Pros, our company is very experienced in cockroach control. There are about 4,000 species and 70 species in the US.

It was estimated the cockroaches were going at 3 miles an hour, which seems like a really quick thing to go for an insect. Some female cockroaches will meet at least once after that period but are also very pregnant.

In some instances, roaches can live without water and food for at least a month - cockroaches have ever lived without the top heads for only one week.

What if the horse could be faster than the rooster? It could reach 460 meters in 1 second.

Roach Diseases

Cockroaches eat rubbish, rotting meat, or decaying matter. They also have traveled to sewer systems and other areas severing into waste materials.

Accumulation of the cockroach can lead to maladies as food poisoning or food poisoning. Pests will often contaminate your home and place you can't have in your business.

They never wash their own hands. They never clean up after themselves. They also infect people with bacterial infections, which are known to make them sick.

Do you have cockroaches issue? Call our pest control company to request service today!

The Cockroach Life Cycle

Cockroach Life Cycle

By knowing more about the life cycle and behavior of the cockroach, you can better understand how the different methods of attack to kill these house pests may be effective.

1.  Egg

One egg would be among about 50 more inside an egg case (or ootheca). These babies stay with the female roach for one to two months before they are ready to hatch and grow.

Later on, the ootheca would be attached to a hidden surface for a safer and better growth environment.

2.  Nymph (Growing stage)

Baby cockroaches or nymphs grow and continually shed their black or brown exoskeleton (molting).

This reveals a translucent white appearance afterward until they become an adult. Other kinds of cockroaches grow wings during this 24 to 38-day phase.

3.  Adult

After their last molt, they develop the capability to mate and reproduce, while some have wings. This phase lasts about a year, and they mostly spend this time scavenging for food.

Cockroaches are excellent hiders, and you can never know where the infestation is living in your home without an expert inspection.

The unluckiest of the lot can bring bacteria, fungi, protozoa, and viruses with their bodies and spread them across all of your things at home.

How Long Can Cockroaches Live Without Food And Water?

Did you know that cockroaches can live up to a month with no food? Well, these pests scavenge everywhere and eat nearly everything, so it is close to impossible to starve them. On the other hand, roaches cannot live more than a week without water.

The longer they go by without it, the more lethargic and weaker they become, making them instantly shed weight while their cells die more rapidly.

These are signs that you can notice if they lack essential nutrients. One of these is that they become slower and weaker, which means they won’t be running around much in your house anymore.

Secondly, you can spot some dead roaches in your home, while most of them can be spotted dead, hidden in their nest.

How To Get Rid Of Cockroaches?

To eliminate the enemy, you can use bait to lure them into your traps, and once they are stuck, they die of starvation and dehydration.

Insecticidal dust is another way to kill these pests overnight when they try to leave their trap.

Lastly, an insect growth regulator or IGR prevents nymphs from maturing into full adults that can lay eggs and eggs from hatching. Once they absorb the IGR, their growth becomes stunted.

The most practical way of preventing cockroaches from infesting your house is by cleaning your surroundings diligently. This is to discourage them from getting comfortable and laying their eggs.

Other than that, blocking their entry points (cracks, holes, or crevices) is beneficial to prohibit them from coming inside and out of your place, which forces them to find a different place to stay in.

Where do roaches come from?

Roaches can be easily moved from and to infested dwellings as they can easily take trips in boxes, luggage, and luggage. Apparently, roaches get into plumbing too. They also act as entry points for roaches.

Assure that any pipes are well-sealed where they reach your home or apartment to prevent contamination.

Repair work on water lines and sewer pipes displaces roach species, and the roaches will look for shelter inside homes and building areas, especially during infestations.

Some people have reported moving between apartments by traveling along pipes at shared walls, such as pipes at shared surfaces.

How do roaches survive without food?

The temperature of the conditions of their surroundings insects and reptiles in cold blood. If it is warm, they can get in a much faster reaction. Warmblooded creatures require much more food as well as must eat regularly.

Cold-blooded animals like roaches will maintain the lowest temperatures to retain their energy. It lets them stay away from food for many long periods.

Humans and many other types of animals are warmblooded with good bones. This is to maintain 'the heat' of the body to keep a constant physical temperature. So during times of famine, cockroaches might have an advantage.

Related: Learn more about How to Get Rid of Wood Roaches From The House

What Do Roaches Eat?

Sweets, starches, and animal proteins are the preferred foods for roaches. Cockroaches see dead insects as viable food sources. The claws of cockroaches are weak, so most will eat the easiest food.

Also, they like greasy taffy anything with ferments and mold in it, such as cheese. The American cockroach has shown a clear interest in alcoholic drinks, specifically beer.

If an option for eating does not exist, roaches will start looking for alternative forms of starch such as binding papers, paper, wallpaper paste, and then glue on the back of stamps and glue on.

Do Cockroaches Bite?

A cockroach’s mouth is one of the primitive in animals and has four parts. The front part of the mouth is held by food that enters the part that does the hard work.

The second part is surrounded by smallmouth teeth and uses them also to grind and chew foods. They also acted as little hands to hold their food but may also be used to hold it.

The second portion is usually backed by teeth and is lined in small teeth. These help digest food in the digestion and work as hands to get it in their respective places.


Now that you know how long cockroaches live and how fast they can reproduce, you may realize that these pests will continue to invade, circulate, and multiply in your home for almost a year without any response to the situation.

Although you can exterminate the cockroach infestation yourself, you would still need to find the whole population before ensuring they have been eradicated.

When you need help or advice on your situation, 24H Pest Pros is the best pest control solution.

As a professional pest control service, they know the ropes to thoroughly inspect, accurately assess, and correctly perform the appropriate methods for infestation.

Frequent Asked Questions

Where do cockroaches lay eggs?

The two most common pest roaches, the German cockroach and American flimsy the American cockroach, all have different eggs.

At the time the eggs hatch, she will drop the cockroach where she's positioned. Using saliva and particles, the roach will stick the egg to a surface.

American cockroaches leave their egg case in a corner or small opening near food for days.

What’s the German cockroach lifespan?

German cockroaches live for a maximum of 100 days, from hatching to death. Nevertheless, this type of bug is the worst. In a short time span, one german cockroach female can produce hundreds of offspring.

What’s the American cockroach lifespan?

American cockroaches have been known to live for up to two years, from hatchling to death. The female cockroach produces 150 offspring on average during their lives.

What’s the Oriental cockroach lifespan?

The adult lifespan of a typical orient cockroach is just 6 months – but this can be extended if it lives in ideal conditions for up to 2 years.

About The Author:

Meet Mark Calhoun, a seasoned pest control expert in the realm our pest control company. With over 10 years of dedicated experience and Managing Editor. His primary mission is to furnish you with precise and invaluable DIY insights, ensuring your home remains pest-free while aiding you in distinguishing various household pests.
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