Difference Between Bedbug Bites and Mosquito Bites (With Table)

Bedbugs and Mosquitoes both leave spots on the body after biting that appear red and are itchy. But these are completely different insects and thus their bites have different reactions to the skin. The diseases that these insects cause are also very different and accordingly the treatment for either case also varies.      

Bedbug Bites vs Mosquito Bites

The main difference between Bedbug Bites and Mosquito Bites is the type of bite itself. Bedbugs bite in pattern and the bite marks are clustered in a single region. Mosquitoes on the other hand bite at isolated locations and thus there is no particular pattern of bite marks for mosquito bites.

Bedbugs are tiny parasitic insects that are typically found on unused carpets and bed mattresses that have not been cleaned for a while. As these are parasitic insects, they sustain by sucking on the blood of their hosts. Thus they repeatedly bite on the exposed region of the skin to suck in blood from the host animal.

Mosquitoes are blood-sucking insects that share the same family as regular house flies. but not all mosquitoes need blood for sustenance. Only the female mosquitoes consume blood, whereas male mosquitoes survive on a high sugar diet that they get plants and flowers. Thus only female mosquitoes bite animals for sucking in the blood.

Comparison Table Between Bedbug Bites and Mosquito Bites

Parameters of Comparison Bedbug BitesMosquito Bites
Appearance Bedbug bites occur in a pattern or a group, as bedbugs usually target a single region at a time Mosquito bites appear at random spots where the mosquito has bitten. These are isolated marks.  
Infection Bedbug bites can become infected and lead to swelling and ultimately weakness and fever Mosquito bites result in serious diseases such as malaria, dengue, zika, etc
Reaction to the skinBedbug bites leave raised bumps on the skin that appear red and are itchy Mosquito bites are itchy and often lead to the development of blisters on the bitten area 
Prevention To prevent bedbug infestation, it is important to sanitize beds, bed sheets, mattresses, and carpets.  Using mosquito repellant creams and vaporizers is a good prevention practice.   
Reaction period Bedbug bites may take a significant amount of time to develop any noticeable reactionMosquito bites are instantaneous, causing itchiness right after the mosquito bites  

What is Bedbug Bites?

Bedbugs are an invasive species of bugs that are usually found on unused mattresses and carpets. These are parasitic bugs that bite humans to such blood, much like mosquitoes and other insects.

Bedbugs are very small and have a reddish-brown appearance. These insects usually target exposed skin and bite on multiple spots in one area.

This results in the formation of a cluster of bite marks on an area. The marks may also appear in a zigzag pattern, but in all cases, they lead to itchiness at the bite area.

Bedbug bites lead to the formation of small, red bumps in the bite area. These red lumps are itchy and over time may lead to blisters and can also get infected.

But in most cases, the bites may take a significant period of time to show any noticeable reaction. As bedbug bites do not lead to any major disease such as malaria and dengue, in most cases the body cures the bites by itself, and thus no treatment is needed.

One of the major ways to prevent bedbug infestation is to thoroughly sanitize old and unused beds, mattresses, carpets, and bedsheets, using bedbug sprays, disinfectants, and other insect repellants.

What is Mosquito Bites?

Mosquitoes are from the same group of insects as regular flies. There are many species of mosquitoes and a majority of them feed on blood. Only female mosquitoes feed on blood as they have tube-like mouth parts that can pierce through the skin.

Mosquitoes attack the exposed skin of the animal to suck the blood. Female mosquitoes have specialized mouthparts that can pierce through the skin of an animal. 

Once the skin is pierced, the tube-like inner mechanism helps the mosquito to suck in the blood, much like sucking liquids using a straw. Male mosquitoes are not blood-suckers. 

When a mosquito bites, it leaves a red spot on the area, which is itchy and usually leads to the development of blisters. The reaction happens almost instantaneously, right when the mosquito pierces the body.

As mosquitoes are disease-carrying insects, the main concern with mosquito bites is not the actual bite itself, but the high probability of the spread of disease. Mosquitoes transfer serious diseases such as malaria, dengue, zika, and so on.

Such disease-transmitting mosquitoes are called vectors of disease as they do not produce the disease by themselves rather they act as carriers for the different viruses that lead to such diseases.

Main Differences Between Bedbug Bites and Mosquito Bites

  1. Bedbug bites occur in a patter or a group, typically in clusters. Mosquito bites occur in random spots and are isolated.
  2. Bedbug bites can become infected and can lead to weakness and fever. Mosquito bites result in serious diseases such as malaria, dengue and so on.
  3. Bedbug bites leave raised, red lumps on the skin and are itchy. Mosquito bites are itchy and lead to the development of blisters at the bitten area.
  4. Bedbug infestation can be prevented by thoroughly sanitizing the beds, mattresses, carpets and other linen. Mosquito infestation can be prevented by using mosquito repellant creams and vaporizers. 
  5. Bedbug bites may take significantly longer periods of time to show any noticeable reaction on the skin. Mosquito bites show instantaneous reaction on the skin, in the form of a prick and slight swelling.


Both Bedbugs and Mosquitoes are insects that feed on the blood of other animals. Hence both the insects bite onto other animals and this leaves bite marks on the skin of their host.

In the case of Bedbugs, both the males and the females sustain the blood of their hosts. They repeatedly bite at the exposed region of the skin to suck in the blood. Thus Bedbug bites appear in groups or clusters and are usually very itchy.

In the case of Mosquitoes, only the females sustain in the blood of their hosts. Thus individual mosquitoes bite at isolated spots, leaving distinguishable and isolated marks on the exposed skin after their bite. 


  1. https://books.google.co.in/books?hl=en&lr=&id=JIfgVr1f4IQC&oi=fnd&pg=PR5&dq=mosquitoes&ots=dgPvr1HFvo&sig=bCjMUCSRiuw7coeBOS8-vaJ3EVk
  2. https://academic.oup.com/cid/article-abstract/52/2/200/375202
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