Roaches Facts

Cockroaches are among the world’s most primitive winged insects. These creepy crawlies may have coexisted with dinosaurs, which went extinct 65 million years ago, according to evidence.

This explains their tough and resilient nature, which allows them to survive even the most extreme conditions. Perhaps they are the only creatures capable of surviving a global apocalypse or even a nuclear attack.

Even if they have a colorful past, humans will always find them to be nauseating insects that carry pathogenic microorganisms that can cause serious illness. Cockroaches are a pain to deal with. They may be the oldest insects to coexist with humans, but seeing them in your home will always give you the creeps.

Roaches Facts

They’re one of the most studied insects on the planet, and there’s enough data from research and biological studies to exhaust your mind. You might be interested in learning more about cockroaches by looking at the information provided below.

1. Cockroaches don’t need their heads to survive.

You’ve probably heard this statement before but never believed it. Cockroaches, on the other hand, can go a month without eating before starving to death. On the other hand, a decapitated head can survive for an hour or two. Isn’t it intriguing? But wait, there’s more. The roach can move around and even respond to stimuli while in this state.

2. Cockroaches can survive for 30 days without food.

And you’re left wondering how they outlasted dinosaurs. It’s amazing how they can go for over a month without eating anything. They can only survive for a week without water, which is why they thrive in humid environments or areas with a lot of moisture.

3. Female roaches can only have one mate at a time.

Consider a creature that can remain pregnant for the rest of its life. It may seem impossible, but in the world of roaches, it is very possible and quite common. The female only needs to mate once and will continue to lay eggs that hatch into baby roaches for the rest of her life. The female can store the sperm that the male deposits for as long as it lives.

4. Cockroaches move quickly.

When you startle a cockroach, it won’t stand there waiting for you to hit it. In fact, it takes off so quickly that you’d swear it wasn’t there at all. For an insect that rarely flies, three miles per hour is quite impressive. Assume there was an Olympic competition between humans and roaches. Some humans, I’m sure, will never come close to winning.

5. Cockroaches are disease-carriers.

Roaches may mesmerize you by running three miles per hour across your kitchen, onto your utensils, and into your cooking area, but they are not the cleanest insects on the planet. They are carriers of bacteria, viruses, and parasites that can cause serious illnesses like cholera, typhoid, and E. coli. You don’t want to be afflicted with these illnesses.

The Life Cycle of Roaches

Roaches, unlike most insects, go through an incomplete metamorphosis. Their entire life cycle is divided into three stages: egg, nymph, and adult. It’s critical to understand the cockroach life cycle, especially if you’re dealing with an infestation.

Stages of the Cockroach Life Cycle

The three critical stages of a roach’s life cycle are discussed below.


In a cockroach’s life cycle, the egg is the first stage. The oothecae are leathery capsules in which about 50 eggs are laid. Certain species of roaches only give birth to live young on a very rare basis.

The roach places its oothecae on surfaces like ceiling walls, furniture, and electronic devices. The eggs can take up to 100 days to hatch, depending on the species and climate. They usually take less than 15 days to complete. In a year, female roaches can lay up to 300 eggs.


Little white roaches with soft bodies hatch from the eggs. They turn brown or grey shortly after that. They molt at least four times during the nymphal phase of the roach cycle. Nymphal roaches can be just as distracting as adult roaches as they develop. A full nymphal phase can last anywhere from 1-3 months.


The adult phase is the last stage of a cockroach’s life cycle. During this stage, roaches mate and begin the process of reproducing new ones. The beginning of a new cycle and a new generation of cockroaches is marked by a mark for the end of a cycle.


Rate of Cockroach Population Growth

It’s no secret that cockroaches reproduce quickly. You notice a few roaches moving around your house in a flash. After a few days, there are a large number of them, and you are dealing with an infestation. Isn’t it crazy? It makes you wonder how they can multiply so quickly. Although the rate is excellent, there is a reason for the figures.

Take, for example, the German cockroach. Given ideal conditions, this species is known to multiply extremely quickly: a classic representation of most roach species. In their lifetime, females can lay about 35 eggs four times. They are usually mature in six weeks, and the young females lay eggs that hatch into nymphs.

Every six weeks, a new generation of adult roaches emerges from a single cockroach. Given that an adult roach produces about 35 eggs every six weeks, there are 35 adult roaches capable of producing at least 35 eggs each.

Hundreds of roaches are created every day throughout the year as a result of the multiplication. If you have an infestation like this, you should hire a professional exterminator. Whenever you see even a single cockroach, act quickly because one cockroach can quickly multiply into thousands.

Cockroaches’ Lifespan

The lifespan of cockroaches varies depending on the species. Temperature, as well as the availability of food and water, influence how long a roach lives. The American cockroach is one of the species that has been known to live for a long time. This species can live for up to a year under ideal conditions.

Other species, such as the German and Oriental cockroaches, are not affected in the same way. From the time the egg hatches, an average German roach lives for about 300 days. The Oriental roach has a much longer lifespan than the German roach. It takes about 600 days to develop and spends about 180 days in adulthood for females and 160 days for males.

When does the cockroach season begin?

Hundreds of millions of cockroaches exist worldwide, and this number is unlikely to decrease anytime soon. The distribution and availability of these insects, however, does not always remain consistent throughout the year. You may notice that there are a lot of roaches available at certain times of the year, and then the number drastically decreases at other times.

Cockroach prevalence and distribution are influenced by factors such as temperature and food availability. These insects have a high level of intelligence. They can detect the humidity level in the air and seem to enjoy it when the weather is hot and humid. Because cockroaches enjoy the hot, humid weather, you may see a lot of them during the summer.

In comparison to other seasons, cockroach eggs hatch quickly during the summer. That explains why you’ll see more roaches in the summer than in any other season. Cockroaches, on the other hand, mate all year and lay eggs at any time. The process is only faster in the summer, which is why most people believe it is roach mating season.

Cockroaches give birth in a variety of ways.

You might be surprised to learn that some cockroach species do have live young. This isn’t about the oothecae protruding from the cockroaches’ abdomens just before they hatch. This isn’t about the roach completing the gestation period and giving birth to live nymphs; it’s about the roach completing the gestation period and giving birth to live nymphs.

A roach is usually oviparous, meaning that her nymphs develop outside of her body in leather-like capsules called oothecae. When the oothecae protrude from the abdomen, most people assume they’ve found a pregnant cockroach. It carries the egg capsule until it is ready to hatch, then pushes it to a safe location.

Some roach species are ovoviviparous, meaning their leathery capsules develop inside the body rather than sticking out. Other species, on the other hand, are viviparous, which means that the young develop inside the mother and survive in a fluid, similar to mammals. The viviparous and ovoviviparous give birth to live young when the gestation period is over.

When cockroaches are killed, do they lay eggs?

When a cockroach is killed, its ability to lay eggs is determined by how the death occurred. Roaches, like most insects, have a peripheral nervous system. The cockroach’s respiratory system is also decentralized, allowing it to survive without its head for a few days. The brain does not have control over nerves, blood flow, or oxygen supply.

It means that even without the head, the roach can continue to perform other body functions, such as laying eggs. However, it is also dependent on how close the cockroach was when it laid its eggs. Even if the cockroach is dead, the eggs could hatch if they were fully developed and not damaged during the roach’s death.

If the eggs do not fully develop, the roach will die instead of laying the eggs. So, yes, cockroaches can lay eggs, and the eggs can hatch if they were fully mature and not damaged in any way.

Cockroaches reproduce in a variety of ways.

Cockroach reproduction isn’t nearly as complicated as it appears. Because they reproduce quickly, understanding the process can help you avoid an infestation. The female lays fertilized eggs after mating and copulation, which hatch after a few weeks to produce nymphs. A female cockroach can lay up to 300 eggs in her lifetime on average.

The nymphs mature and go through four molts. They are young adults ready to mate and produce more cockroaches after the fourth molting. If this occurs in your home, you may find yourself dealing with an infestation in no time. Female cockroaches can reproduce without the help of a male for months.

Scientists recently discovered that some insects, including cockroaches, can reproduce asexually through a process known as pathogeneses, which means that nymphs can be produced from unfertilized eggs. The roaches can only hatch female progeny for about three years, so this method of reproduction has a catch.

Cockroaches Breed in What Places?

Cockroaches have a reputation for thriving in filth and other unpleasant environments. However, this isn’t always the case, as these insects can breed in clean environments. When you see a cockroach in your home, it’s a sign that there could be more hiding somewhere, signaling the start of an infestation.

Such an occurrence must be taken seriously because the critters are known to spread diseases, some of which are fatal. Cockroaches breed in warm, moist environments in the majority of cases. Outdoor drains, foundations, under kitchen sinks, and cracks and crevices in your walls are examples of such places.



How Do Roaches Get Along?

The mating behavior of cockroaches is similar to that of other insects. It starts with the female emitting pheromones, a chemical compound that attracts the male even when he is far away. The female enters the calling position before releasing these chemicals. The female raises her wings to reveal her integral membranes in this position. The female can expand her genital chambers and then release pheromones that attract males in this position. Pheromones are produced by males in most species to attract females. When a male roach receives the signal, it walks over to the female roach, raises its wings to show interest, and then turns its back on her. After getting into position, the female roach crawls onto the male’s back and copulates. The spermatophore is a sac in which the male cockroach deposits his sperm. Male roaches require more carbohydrates in their diet because copulation can take up to 90 minutes.

When it comes to reproduction, how quickly do cockroaches reproduce?

A roach infestation can drastically alter our way of life. You’ll be afraid of contracting an infection from these critters at all times. They multiply quickly, and if you don’t take action, your crib will quickly become a nightmare. You must also be aware of how quickly roaches reproduce in order to effectively deal with them. You don’t want to deal with a severe infestation, believe me. The female produces an ootheca containing between 20 and 40 eggs after about a week of mating. The number of eggs varies depending on the species. The eggs hatch after about a month, releasing live nymphs into the world. The tiny roaches go through four molting stages before becoming fully grown adults ready to reproduce in a year or less. Different species have different time frames for laying new egg batches, with some taking as little as six weeks. For about ten months, most roaches release an ootheca once a week. That’s a large number of cockroaches.

What Is the Average Life Expectancy of a Cockroach?

The number of days a roach can live is estimated for each species. A roach, on the other hand, can live for up to a year on average. The American cockroach can live for a year in ideal conditions, while the oriental cockroach can live for 600 days after hatching. The German cockroach, on the other hand, can outlast the odds and live for over 700 days. Cockroaches live for a long time when compared to other insects, but factors such as temperature and food availability have a significant impact on their lifespan. Pet roaches live for considerably long periods, probably because they have all the optimal conditions given to them by their human owner.

Can a Cockroach Survive Without Food for a Long Time?

Cockroaches have a unique ability to survive for up to a month without food. They are essentially survivor types. You lock them in a room with no food for a few weeks in the hopes that they will die, but when you return, the critters are alive and well. Not in the least. Even if you cut off their heads to remove the mouth, these demons will live for another 30 days before saying their goodbyes. This phenomenon explains why cockroaches have multiple nervous systems and can survive without their heads. In fact, roaches without heads could live as long as other roaches if they discovered another way to consume food.

Cockroaches: How Long Can They Survive Without Air?

All living things, including humans, animals, and insects, require oxygen to survive. For more than six minutes, an average human cannot survive without oxygen. Even if they do, severe brain damage is a possibility. Cockroaches are a unique species. They can survive for about 45 minutes without oxygen, according to research. Roaches, like most insects, breathe through tiny pores on their bodies’ surface. Cockroaches hold their breath in low-oxygen environments to prevent water loss from their bodies. Because their respiratory system has no connection to the head, where the brain is located, they can do so for more than 40 minutes without suffering any brain damage.

Cockroaches Can They Survive Underwater For How Long?

Roaches are frequently found breeding near water sources. They adore the water. It is absolutely necessary for their daily activities and to keep them moist. It is also an important part of their diet. But, when its entire body is submerged in water, how long can a roach survive?

It’s important to remember that all living things, including cockroaches, require oxygen to survive. They can survive for about 40 minutes without oxygen, according to research. And, as we all know, breathing underwater is impossible due to a lack of oxygen. A roach can hold its breath for 30 minutes when submerged in water before dying.

The temperature of the water also influences how long roaches can survive. When the water is warm, for example, they die faster than when the water is cold. The main reason they hold their breath is to keep their bodies from losing water.

Is it Possible for Cockroaches to Survive a Toilet Flush?

Flashing your toilet with plain water in an attempt to kill cockroaches won’t work unless you’re using highly toxic chemicals known to kill roaches. They’re not going to die. They will walk up to the point where the water drains as if nothing has happened.

It’s not that you don’t respect them; you wanted them dead, but they lived. That’s how these dreadful creatures are made. Roaches can actually hold their breath for up to 40 minutes in order to regulate water loss from their bodies.

They have exoskeletons that are quite tough and can withstand the pressure of the water. Even as they flow down the drain, they tend to collide with the wall pipes, resulting in a crash. However, roaches appear at the drain’s end as if they were having a simple water bath.

Is it true that cockroaches eat ants?

You might be wondering how roaches have survived for over 290 million years, even outlasting dinosaurs. Some people may be surprised to learn that their diet may be the key to their survival. Cockroaches, like most insects, eat plant and animal matter.

The critters are usually busy trying to find something to eat when they are not sleeping. They are opportunists, and they won’t waste any time when they come across other insects that move slowly. Cockroaches are known to eat bedbugs and other insects.

Live insects are preferred by some species, while dead insects are preferred by others. Cockroaches have been observed eating dead ants, but there is no evidence that they can eat live ants. Expect the unexpected from these creatures, as their feeding habits are one in a million.

Do Cockroaches Consume Clothing?

Cockroaches are known to eat a wide variety of foods. Plastic, food waste, cables, and even dead insects are among the items they chew on. Can the critters, on the other hand, eat your clothes? Roaches, on the other hand, don’t have a strong sense of taste for fabric. If you leave food stains on your clothes, however, cockroaches may make a meal of them.

They may poke small holes in the fabric and even leave their own stains while eating the food stuck on clothes, perhaps to remind you that they were there but not really; they were just scavenging for food.

Roaches may feed on clothes on rare occasions, such as when there isn’t enough food for them to eat. They will, however, avoid synthetic fabrics such as polyester in favor of natural fabrics such as cotton and burlap.

Cockroaches: Do They Drink Water?

Yes, indeed. Cockroaches are water drinkers. It’s an important part of most living creatures’ diets, and critters are no exception. Indeed, they spend a lot of time near water sources like drainpipes, and their colonies are built around them. Cockroaches, on the other hand, are hardy creatures that can go for up to a week without water.

Cockroaches drink a lot of water when they suspect they’ve been poisoned; in most cases, the poison doesn’t work, and they go on with their lives. As a result, it’s critical to eliminate all water sources whenever fighting an infestation.

Cockroaches: Can They Survive Without a Head?

The brain, which is part of the nervous system and controls all body functions, is carried by the head in humans and other animal species, making it the most important body organ. Cockroaches, on the other hand, are not like that.

Cockroaches, like most insects, have an open circulatory system. They breathe through tiny pores on the surface of their bodies, so they don’t need heads to get oxygen. The ganglia in their bodies serve as a substitute for brain function. They are also cold-blooded animals, which means they don’t require much to survive. Yes, cockroaches can survive for up to a month without their heads.

Cockroaches: How Do They Survive?

It’s incredible that roaches have outlasted dinosaurs and other mythical creatures. How do they even manage to survive famines, hunger, and other adversities? It may be difficult for you to comprehend, but we all know that roaches are tough creatures.

First and foremost, they are cold-blooded animals that can survive for long periods of time without the necessities of life such as food and water. They aren’t going to die of starvation. Roaches are scavengers who live off an omnivorous diet, which means they will eat almost anything, including plant and animal matter.

Warmer temperatures with high humidity levels are ideal for them. In such conditions, their eggs hatch more quickly, and the nymphs grow much faster.

Cockroaches: How Common Are They?

Cockroaches come in about 4600 different species around the world. About 30 of these species are found in close proximity to humans, while the remainder prefer to live in the wild. Those who live in close proximity to humans have adapted to their surroundings and are rapidly multiplying.

They are clever insects that can eat, breed, and even live in your home without your knowledge. According to AAFA research, cockroaches or traces of their presence, such as saliva, body parts, and droppings, can be found in about 63 percent of American homes. Given that the population is well over half, this is a significant number.

Article: Do cockroaches bite hurt?

Cockroaches: Interesting Facts

Cockroaches have been the subject of extensive research. These studies contain a wealth of information, some of which is fascinating. Scientists are even more interested in studying them because they coexist with humans. Check out the fascinating facts about roaches listed below.

• Some species of cockroach produce milk for their young. According to recent research, this milk contains all of the essential nutrients for a healthy diet. Some businesses have begun mass-producing cockroach milk for human consumption.

• Cockroaches, especially when looking for food, leave chemical trails in their droppings for other members of the same species to follow. That is why they are always in a swarm and always find each other.

• According to history, some roach species have coexisted with humans for a long time and have adapted to their surroundings and conditions.

• Cockroaches can remain pregnant for the rest of their lives. They may only need to mate once, and once the male deposits his sperms, they are no longer needed.

• Cockroaches are hardy creatures that can go for months without eating. Some species have been known to survive for up to three months. Some people can go a week without drinking water, while others can go up to a month.

Is it possible for cockroaches to smell food?

Yes, indeed. The smell of food has been proven to attract cockroaches into your home. It was once thought that roaches didn’t use their sense of smell to detect food, but new research suggests otherwise. Their antennae are used to track food sources. Starch, grease, cheese, and rotting kitchen waste are the smells that attract them the most.

Article: Will sleeping with the light on keep cockroaches away?

Is it Possible for Cockroaches to Survive a Nuclear War?

In nature, these creepy crawlies are tough and can withstand just about anything. It is a common misconception that roaches can survive a nuclear explosion and the radiation released by nuclear waste. Cockroaches, despite being fifteen times more resistant to radiation than humans, may not be able to survive a nuclear blast.

Radiation damages their DNA sequence, and prolonged exposure can lead to diseases like cancer. It kills cells, making survival extremely difficult for any living organism. The more complex an organism is, the more likely it is to be affected by a nuclear explosion’s aftermath. As a result, humans are more likely to suffer than roaches.

Cockroaches – Do They Eat Poop?

Cockroaches find the feces of other animals, including humans, to be extremely nutritious. Their diet consists of almost anything edible, so poop meal isn’t an exception. They’ll eat it whenever they come across it. Cockroaches, on the other hand, are very close to humans, and their feces may contain pathogens that cause disease when consumed.

How Does Roach Poop Appear?

The poop of roaches can easily be distinguished from that of rodents and other household pests. Cockroach poop resembles ground coffee berries or black pepper, especially when the cockroaches are young or in the wild. The droppings of larger species are tubular and darker, with rounded ends. The presence of roach poop is usually the first sign of an infestation.

Article: Cockroach species identification


Cockroaches have coexisted with humans for a long time, but they have never become friends. It could be because they are inherently distracting or because humans find them repulsive. They have a history of spreading diseases, some of which can be fatal if not treated.

Cockroaches are hardy creatures. They’ve been around for a long time and have been studied by scientists due to their close proximity to humans. The critters may be revolting, but they contain some of the most fascinating information. They can survive for over a month without the head, which is the best of all.

Collin Miller

Since 2002, Collin has specialized in the pest control industry. He has a Pest Control and Termite Control Commercial Applicator License. He serves on the Missouri Pest Management Association board of directors as a director at large, and he attempts to provide a personal touch in pest eradication to customers in the Ozarks. When the weather is great, Collin enjoys working in his yard, cooking, and hanging out with family and friends, as well as watching football.

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