How To Tell The Difference: Male vs Female Bed Bug?

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Bed bugs are small, brown insects that feed off the blood of humans and animals. They are typically found in mattresses, bed frames, and other furniture. Although they are not known to transmit disease, they can cause an allergic reaction in some people.

There are several ways to tell the difference between male vs female bed bugs. The most obvious is by their size; female bed bugs are significantly larger than males.

Male vs female bed bug: What is the difference?

male vs female bed bug

There are several difference between male and female bed bugs. Male and female bed bugs have different reproductive anatomy.

The male has a sharp, pointed appendage called a stylus, which he uses to pierce the female’s abdomen and deposit sperm. The female has an ovipositor, a tubular organ that she uses to lay eggs.

This difference in anatomy affects their ability to lay eggs. The male can’t lay eggs because he doesn’t have an ovipositor. The female can lay eggs, but they are not viable because the sperm is not deposited inside of them.

Interestingly, bed bug males can be easily identified from females because they are pointier and have a notch on their abdomen. On the other hand, females are rounder and do not have this notch.

Further, male bed bugs only need blood to survive, while female bed bugs have evolved a paragenital system that helps with sperm movement. This is because the male’s penis breaks off during copulation and must be inserted into the female’s reproductive tract.

What do scientific studies tell us on the question of male vs female bed bugs?

Male bed bugs have a preferred right hand or handedness. Studies have shown that male bed bugs are more likely to crawl out of their hiding places when they are on the left side.

This is due to the fact that they have a curved claw on their right hand, which helps them cling better to surfaces.

Interestingly, scientific studies have shown that reproduction through traumatic insemination only happens on the right side of female bed bugs. The eggs are laid in a line, and the spermatozoa are injected into each egg. After mating, the male usually dies.

Even though the female has the same reproductive organs on both sides, the male pierces through the right side to inject his sperm into the female.

Can a bed bug lay eggs by itself or without a mate?

Bed bugs are able to lay eggs without a mate. This is called parthenogenesis, and it allows the bed bug population to grow very quickly. When bed bugs reproduce this way, all of the offspring will be female.

Although bed bugs can reproduce without a mate, they will not produce viable offspring. In order to reproduce, bed bugs require the presence of an appropriate stimulus, like blood. Without this stimulus, the eggs will not hatch, and the population will not grow.

Are bed bugs asexual pests?

No, bed bugs are not asexual pests. That said, female bed bugs can reproduce without a male bed bug present as long as they have the appropriate stimuli, like the availability of blood.

How exactly does reproduction work in the context of male vs female bed bugs?

In the context of female vs male bed bug, reproduction is quite different. The male bed bug pierces the female’s abdominal cuticle with his sharp reproductive organ in order to inject sperm into her body cavity.

Once the male has ejaculated, his sperm will move through the female’s secondary genital system. This includes her vagina, uterus, and ovaries. The sperm will then move into her seminal conceptacles, where they will stay until they migrate into her oviducts to fertilize eggs.

This reproduction process can be repeated multiple times, and the sperm can stay alive inside the female for up to two weeks. Once fertilized, the eggs are laid and will incubate for about ten days before hatching.

Do bed bugs need to mate in order to reproduce?

Bed bugs do need a male and female in order to reproduce. If there is no male or female bed bug present, the eggs will not be conceived.

Nymphs are the immature form of bed bugs, and they cannot lay eggs. The female bed bug will lay eggs between days 30-200 of her adult life, depending on the species and environmental conditions.

The eggs hatch into nymphs, which will then go through five molting stages before becoming adults.

If you’re still unsure about whether you have bed bugs, there are other measures you can take to determine their presence. One way is to search your entire bed, including the frame, for any telltale signs of an infestation.

If you can’t find any more pesky bed bugs after doing a thorough search, then placing some bed bug encasements on both your mattress and box spring may be the next step.

Is bed bug bites contagious in any manner?

bed bug bites

Bed bug bites are not contagious in any way. This means that you cannot catch bed bug bites from someone else, and you also cannot spread them to other people.

The bites from bed bugs can be extremely uncomfortable, itchy, and irritating, but they are not contagious. You could even experience an allergic reaction to the bites, or you may experience another type of irritation at the bite site.

However, there is absolutely no need to worry about passing the bed bug bites on to others through your skin contact.

That said, bed bugs are good hitchhikers. This means that if you are carrying bed bugs in your luggage, they could jump into some other person’s luggage if it’s in proximity. This is why you will usually find that bed bug infestations start when you return home after staying in a hotel!

Male vs female bed bugs: Do they bite?

Male and female bed bugs are both capable of biting humans. Male bed bugs, however, have a feeding tube that enters through their mouth, while female bed bugs feed by inserting their proboscis into the host’s skin to suck blood.

This is why male bed bugs are less likely to be found on people as they feed on other areas of the home like furniture or walls.

Can you find a tropical bed bug in NYC?

Yes, you can find tropical bed bugs in NYC. There are two main types of bed bugs- common bed bugs and tropical bed bugs. The common bed bug is found in temperate climates, while the tropical bed bug is found in more tropical climates.

Male bed bug vs female bed bug both are similar, but there are a few ways to tell them apart. One way is to look at their antennae; the common bed bug’s antennae will be shorter than the tropical bed bug’s antennae.

Another way is to look at their eggs; the common bed bug’s eggs will be oval, while the tropical bed bug’s eggs will be more round.

The tropical bed bug is a parasite that infests furniture and other objects. It is not commonly found in the United States but can be transported through luggage or on clothing. The tropical bed bug is distinguishable from the common bed bug by its coloring and size.

It is difficult to identify a bed bug without more research, but there are some distinguishing features to look for. One sign of a tropical bed bug is the triangular-shaped neck on the bug.

Another key identifier is whether or not you see fecal spots on your mattress and around your home–if you do, it’s likely you have a bedbug infestation.

What do female bed bugs look like?

female bed bugs

Female bed bugs have a rounded abdomen, while male bed bugs have an elongated one. This is one of the ways to distinguish between the two genders. Other than that, they look very similar.

Female bed bugs are different from male bed bugs in that they have a spermalege on their right side. This is a small pouch where the male deposits his sperm. The female then stores it until she is ready to fertilize her eggs.

What do male bed bugs look like?

Male bed bugs are smaller than female bed bugs and have an asymmetrical abdominal segment. This means that their right side is larger than their left side.

They also have a thin, pointy proboscis (or beak) which they use to pierce the skin of their victims in order to suck out blood. They also have longer antennae and are more active than female bed bugs.

How can you tell if a bed bug is pregnant or not?

Bed bugs lay eggs on the underside of their females. If you are not entirely sure about whether you have a bed bug infestation, it is important to look for eggs. The eggs of bed bugs will be laid in clusters and will be a light brown or yellow color.

The eggs of a pregnant bed bug will be enlarged, and the ventral membrane will expand as the bug feeds. This is one easy and obvious way to tell if a bed bug is pregnant or not.

There are, of course, other ways to determine whether or not a bed bug is pregnant, but this way is still one of the most simple and common methods.

What should you do if you find a female bed bug on your apartment walls?

If you find a female bed bug on your apartment walls, it is important to save the bug and trap it or take a photo for identification.

Once you have taken the photos of the bed bug on your apartment wall, show these photos to a pest control professional who is qualified to deal with bed bug infestations.

If you can’t get a good picture of the bug, try to show the bug itself to a pest professional in your area so they can identify it for you.

First and foremost, if you determine that the bug is a female bed bug, then you should search for other bed bugs in your apartment with a bright flashlight. Look on all sides of the furniture and along the walls. If you find any more bed bugs, take action immediately to get rid of them.

What should you do if you find a female bed bug on your bed?

There is a chance that you could have bed bugs and not even realize it. Many people take some time to realize that they wake up with bite marks every morning and that these bite marks could be those left by a bed bug.

Now, if you find a female bed bug on your bed, there are a few things you can do. One option is to try and get rid of the bug yourself. Another option is to hire a bed bug specialist or a bed bug dog to assess. These pros will help you figure out if you have a bed bug issue.

If it is determined that you do have an infestation, the specialist or dog will help you come up with a plan to get rid of the bugs.

Do male bed bugs bite human beings?

Male bed bugs do bite humans and will feed on blood just like their female counterparts. However, they use their piercing-sucking mouthparts for drinking blood rather than biting with teeth.

Bed bugs take between 5 and 20 minutes to fill up with a blood meal, so be patient if you’re trying to catch one!

Can a male bed bug lay eggs?

No, a male bed bug cannot lay eggs. However, male bed bugs have a number of reproductive functions. They are able to deposit sperm into the female body cavity in order to fertilize her eggs.

Once the male bed bug has deposited sperm, it will then migrate through its body to the holding chamber. Afterward, the male bed bug will die.


The difference between male bed bugs and female bed bugs is not just in appearance but also in reproductive functions and capabilities. That said, both male and female bed bugs could threaten your peace in your bed if, at all, you do have an infestation.

About the author

A biotechnologist by profession and a passionate pest researcher. I have been one of those people who used to run away from cockroaches and rats due to their pesky features, but then we all get that turn in life when we have to face something.