Why Do Baby Bed Bugs Bite? Reasons Explained

Bed bug infestation means that bed bugs are not only living and hiding in your home but also they’re breeding.

It means that when there’s a bed bug infestation, there’s assured presence of bed bugs’ eggs and baby bed bugs.

But is it only the adult bed bugs that bite? Or do baby bugs bite too?

Adult bed bugs are indeed the bloodsuckers that give you sleepless itchy nights. And you’ll find the answer to your question if baby bed bugs bite or not.

On top of it, you’ll find answers to all your questions on baby bed bugs.

Keep reading.

Do Baby Bed Bugs Bite?

Yes, baby bed bugs bite. In fact, baby bed bugs look for a host as soon as they hatch out of the bed bug eggs.

It’s because blood meals are essential for baby bed bugs to grow. Without the blood meals, baby bed bugs won’t be able to progress through the stages in the bed bugs lifecycle.

Baby bed bugs molt as they grow. It means they shed their skin and existing exoskeleton to accommodate a bigger exoskeleton and their growing size.

Baby bed bugs are known as nymphs. And the nymphs go through five stages of molting before maturing into an adult.

These five stages are known as instars. So, when the baby bed bugs molt after the fifth instar stage, they become adult bed bugs.

And what’s the first thing they do after they turn into adults?

You guessed it. They mate.

And they lay eggs. The process continues and the bed bug infestation starts to grow.

How Big (Or Small) Are Baby Bed Bugs?

Baby bed bugs are tiny. Just born baby bed bugs are anywhere from 0.09 inches to 0.11 inches in length.

It’s hard to imagine how minute they’re. But for reference, baby bed bugs are approximately twice the size of the period at the end of this sentence. 

What Color Are Baby Bed Bugs?

Baby Bed Bug After Blood Meal

Baby bed bugs are born white and translucent. They’re not born as red or reddish-brown as many people think.

Baby bed bugs turn red when they have their blood meals. The blood in their belly is visible on their translucent body.

What Do Baby Bed Bugs Look Like?

Do Baby Bed Bugs Bite

Baby bed bugs are the miniature versions of adult bed bugs. It means that baby bed bugs look precisely like the adult ones, except they’re 1/16th the size of adult bed bugs.

Baby bed bugs have three pairs of legs (six legs in total), a pair of antennae, and it also has three body parts (head, thorax, and abdomen) like the adult bed bugs.

Can You See Baby Bed Bugs?

You can, but it’s challenging to spot baby bed bugs when they’re on a white or light-colored bed sheet.

It’s pretty hard to spot the newborn baby bed bugs when it didn’t have its blood meal.

To see baby bed bugs clearly, you might need the help of a magnifying glass.

What Do Baby Bed Bugs Bites Look Like?

Baby bed bug bite marks are like the bite marks from adult bed bugs.

There are no differences. Bed bug bite marks look like random red itchy spots in different places of your body.

Both adult bed bugs and bed bug nymphs will bite you on the exposed skin. 

But there are no significant differences between baby bed bug’s bite marks and bites from other bugs.

There are microscopic bugs that bite that can be present in your bed and clothing too. The bite marks from these bugs can look exactly like bed bug bites and vice versa.

Are Baby Bed Bug Bites Smaller Than The Bites Of Adult Bed Bugs?

No. The bite marks are not bigger either.

The truth is that the size of bed bug bite marks and baby bed bug’s bite marks are incomparable.

How the bite marks will show up, in what shape or size, depends on the overall tolerance of the person. 

The bite marks are reactions to bed bug bites. And the bite marks can show up in different persons in different periods.

In some people, the bite marks are immediate. Whereas in others, it may take 14 days for the bite marks to show up.

In some people, there can be no bed bug bite marks. That’s why many people wonder why they’ve got bite marks while the other person sleeping on the same bed doesn’t have a bite mark.

Are Baby Bed Bugs Fast Crawlers?

No, they’re not. But being hard to spot, tiny, and given the ability to hide in the thinnest of places makes the baby bed bugs disappear quickly.

Lifecycle Of Bed Bugs – Bed Bug Phases

The lifecycle of bed bugs has eight stages.

It begins with the eggs > baby bed bugs > Instar 1 > Instar 2 > Instar 3 > Instar 4 > Instar 5 > adult bed bugs.

Instars are the phases where the bed bugs molt and grow bigger than the previous stage.

There are five instar stages in the lifecycle of the bed bus before they can reach sexually matured adulthood.

If You See One Baby Bed Bug, Can There Be More?

Yes, for sure, there’ll be more baby bed bugs if you spot one baby bed bug. 

A female adult bed bug can lay 5-10 eggs in a day. In her entire lifetime, she can lay up to 250-500 eggs. 

The eggs hatch within 6-10 days. So, one baby bed bug is a clear indication of a massive bed bug infestation in your home. 

Do Bed Bug Larvae Exist?

Bed bug larvae don’t exist. The larva is a term given to worm-like newborns of bugs. Baby bed bugs are not worms, they’ve developed legs, and they can walk.

Whereas, the larvae don’t have legs or wings. 

The larvae of many bugs get into a cocoon and come out of it as a mature adults with developed wings and legs.

Baby bed bugs don’t do it. Instead, they molt.

Why Do Baby Bed Bugs Bite?

Let’s understand it this way; if baby bed bugs don’t bite you, they won’t be alive. 

Though bed bugs can go without a blood meal for 20 to 400 days, that’s more applicable to adult bed bugs.

Adult bed bugs can lay dormant for months when the situation is not favorable to them. Or when they don’t have a host to latch on to. 

But if baby bed bugs don’t get their first blood meal, then they won’t be able to molt. 

Molting is the process when the baby bed bugs shed their skin because they’re growing so that they can develop new skin. 

It’s through molting and feeding blood baby bed bugs turn into an adult and breed. 

Baby bed bugs need to molt five times before they turn into an adult. 

And for that, they need blood meals. 

So, now you know why baby bed bugs can be more desperate to bite you. 

One way or the other, their life is dependent on your blood.

Like adult bed bugs, baby bed bugs can’t bite through clothing.

Where Would You Find Baby Bed Bugs?

You’d find baby bed bugs in the same places where the adult bed bugs hide. 

Baby bed bugs tend to follow the adult bed bugs because that assures them a blood meal. 

So, mattresses, headboards, rims of bed frames, soft furnishings like a couch, and dresser drawers are hiding places for baby bed bugs.

Where Do Baby Bed Bugs Come From?

The most apparent answer is that baby bed bugs come from adult bed bugs.

Well, it’s true. But to be more specific, baby bed bugs hatch out from the eggs that adult bed bugs lay in places that are close to their food source – you and your pets. 

So, the most common places are your mattress, carpet, upholstery furniture, headboards, box springs, baby cribs, inseams of your sofa, and pet beds.

But it doesn’t end there. Baby bed bugs can come from any place in your home with small gaps and cracks, are hard to clean, dark, and moist.

These places are perfect for the adult bed bugs to lay their eggs. Any place with gaps less than half the width of your credit card is good enough for bed bugs to lay eggs. 

There’re also some unlikely places of bed bug infestation – closets, wardrobes, drawers, car, and even your baby car seat. So, the chances are relatively high that these places can also be the source of baby bed bugs. 

How Do Bed Bug Eggs Look Like?

The eggs are white and elliptical with a gluey substance on it.

This glue matter sticks the eggs on any hard and dry surface the female bed bugs lay eggs upon. A female bed bug can easily 200 to 250 eggs for 5 days in a row.

When the eggs get old by 3-4 days, they develop a black spot on them.

So, if you see anything in the bed bug hiding places that resemble a grain of salt or black pepper, then it can be bed bug eggs.

Do Baby Bed Bugs Jump?

No, baby bed bugs can’t crawl as fast as the adult bed bugs. The exoskeleton of baby bed bugs is weaker when compared with adult bed bugs. This condition reduces their ability to move quickly.

But even adult bed bugs aren’t as fast as roaches or fleas. The reason being that the legs of bed bugs aren’t as long or as strong as the roaches’ and fleas.

So, if you see an adult or baby bed bug, you can easily squish them. Baby bugs are easy to kill if you can see or spot them.

Can Baby Bed Bugs Live In Your Hair?

Baby bed bugs can get into your hair if you sit and sleep in places infested by bed bugs. But your hair isn’t where baby bugs would like to live because they’re too weak to suck the blood out of your skull.

So, baby bed bugs can’t live in your hair. And baby bed bugs don’t live on humans like parasites.

Chances of lice and fleas living in your hair is way higher than the chances of baby bed bugs.

How To Get Rid Of Baby Bed Bugs?

You cannot get rid of baby bed bugs without getting rid of adult bed bugs. 

It means that there’s no separate treatment for baby bed bugs. 

But if you observe baby bed bugs in your home, then it’s a severe sign of bed bug infestation. 


It’s because bed bugs are now breeding profusely inside your home. 

An adult female bed bug can lay 200-250 eggs in her lifetime. Each egg takes only a week to 10 days to hatch. 

That’s why if you find even one baby bed bug, it should ring your alarm bell because that’s for sure that there are more of them. 

But the best way to get rid of bed bugs is heat treatment. 

Getting rid of bed bugs is expensive. If your money is tight, then you can check our post on how to get rid of bed bugs under tight budget.

Heat treatment can be expensive depending on your home’s size and the severity of bed bug infestation. 

But heat treatment guarantees bed bug removal 100%, and it’s longer lasting than pesticide spray treatment. 


Yes, baby bed bugs bite because without the blood meals the baby bed bugs won’t be able to grow. They might even die.

In this guide, you’ve found answers to all the questions that you may have about baby bed bugs. Plus, this post also clears many misconceptions about baby bed bugs.

To know more about bed bug infestation in homes in detail, you can check our guide here.