how long can bed bug live without food

by food

Bed bugs are a common household pest that feed on the blood of humans and animals. One of the most common questions people have about bed bugs is how long can they survive without food? The answer depends on a few factors, such as the age of the bed bug and environmental conditions. Generally, adult bed bugs can live up to five months without food, while younger bed bugs may only survive for two to four weeks.Bed bugs can survive without food for up to 5 months, however, they will start to die off after about 3 months of not feeding. Bed bugs are able to survive long periods of time without food because of their ability to lower their metabolic rate and enter a state of dormancy.

Factors That Affect Bed Bug Survival Times

Bed bugs are one of the most resilient pests, able to survive even in extreme conditions. However, there are certain factors that can influence their survival time. Temperature is perhaps the most important factor when it comes to bed bug survival times. In general, bed bugs thrive in warmer temperatures and will die off if the temperature drops too low. Similarly, higher temperatures can cause bed bugs to dehydrate and die off more quickly.

Humidity is another factor that affects bed bug survival times. Bed bugs require a certain level of moisture to survive and if the humidity level in an environment drops too low, they can dehydrate and die off quickly.

The presence of food is also important for bed bug survival times. If food sources are scarce or unavailable, bed bugs can become weakened over time and eventually die off due to lack of nutrition. In addition, certain insecticides or other chemicals can be used to kill bed bugs more quickly by disrupting their metabolism or causing them to dehydrate rapidly.

Finally, the presence of other pests can affect bed bug survival times as well. Bed bugs are known to feed on other insects such as cockroaches and ants, so if these other pests are present in an environment, they may compete with the bed bugs for food sources and reduce their chances of survival over time.

Can Bed Bugs Go Without Eating For Weeks?

Bed bugs are capable of surviving for weeks without food. They can survive for up to two months without eating, although this is not typical. They usually feed on blood every five to ten days. Because they are so small and can hide in tiny cracks and crevices, they are able to survive in unfavorable conditions such as low temperatures or lack of food.

However, bed bugs that go without feeding for extended periods of time will become increasingly weaker and eventually die. During this time, they will become sluggish and slow down their activity levels significantly in order to conserve energy. In order to prevent starvation, bed bugs must find a food source as soon as possible or risk death.

See also  can you get a publix sub with food stamps

It is important to note that bed bugs do not require large amounts of food in order to survive; even a single drop of blood is enough for them to feed on and continue living. This means that if you suspect a bed bug infestation in your home, it is important to act quickly and begin treatment before the infestation has the chance to spread further.

How Long Can Bed Bugs Live Without a Host?

Bed bugs are wingless insects that feed on the blood of humans and animals. They are usually found in areas where people sleep, such as beds, couches, and other furniture. But how long can bed bugs survive without a host?

The answer is that bed bugs can live up to several months without feeding. This is because they have the ability to go into a state of semi-hibernation called “diapause”. When in this state, they conserve their energy and don’t need food or water for extended periods of time.

The amount of time that bed bugs can survive without a host is also affected by environmental conditions such as temperature and humidity. In ideal conditions (warm temperatures and high humidity), bed bugs can live up to four months without feeding. However, if temperatures drop below 50°F or if the humidity falls below 45%, the bed bug’s survival rate is drastically reduced.

It is important to note that even though bed bugs can survive for extended periods of time without feeding, they will eventually die if they do not have access to a blood meal. If you think you may have a bed bug infestation in your home, it’s important to take action as soon as possible to prevent further spread of the pests.

How Do Bed Bugs Get Food and Survive?

Bed bugs are parasitic insects that feed on human blood. They survive by biting people while they are sleeping and ingesting their blood. Bed bugs can go up to a year without feeding, but they typically feed every five to ten days.

Bed bugs are attracted to the carbon dioxide that humans exhale, so they tend to hide near their sleeping hosts. When the bed bug finds its host, it bites them, injecting an anesthetic and anticoagulant into the skin that prevents them from feeling the bite. The bed bug then draws blood from the bite site for about five minutes before crawling away.

Bed bugs have a very efficient digestive system which is able to extract all of the nutrition they need from a single meal of human blood. This helps them survive as long as possible between meals. They also have an exoskeleton that helps protect them from environmental factors such as desiccation and starvation.

Bed bugs prefer warm, humid environments, so they often hide in mattresses, box springs, bed frames, furniture cracks and crevices near where their host sleeps during the day. At night, they come out in search of a meal. Bed bugs can travel up to 100 feet in one night in search of food and shelter.

See also  can budgies eat cockatiel food

If you think you may have bed bugs in your home or business, contact a professional exterminator as soon as possible to eliminate them from your property.

How Long Does It Take for a Bed Bug to Starve?

Bed bugs can live for several months without food, but they will eventually starve if they don’t get a meal. The exact amount of time it takes for a bed bug to starve depends on a variety of factors including the temperature and the availability of food. Generally speaking, however, most bed bugs will start to weaken after two weeks without food and may die after four weeks.

The bed bug’s metabolism is directly related to its ability to survive without food. In warmer temperatures, bed bugs have a higher metabolism and thus need more frequent meals in order to survive. In cooler temperatures, their metabolism slows down significantly and they can survive longer without sustenance.

In addition to temperature, the availability of food also affects how long bed bugs can go without eating. If there is an abundance of food available, then the bed bugs may not have to wait very long before feeding again. On the other hand, if there is a shortage of food sources nearby then the bed bugs may have to wait much longer before they can find something to eat.

Overall, it is safe to say that most bed bugs will start to weaken after two weeks without food and will likely perish after four weeks or more depending on the environmental conditions and availability of food sources.

How Quickly Can a Starving Bed Bug Find Food?

Bed bugs are highly adaptive and resilient insects that can go for long periods without food, but they will still actively seek it out when they become hungry. How quickly a starving bed bug finds food largely depends on how close it is to a food source. If the bed bug is in an area where there is an abundance of food, such as in furniture near a human sleeping area, it can find something to eat almost immediately. On the other hand, if the bed bug is located farther away from a potential food source, it can take days or even weeks before the bug finds something to eat.

Bed bugs are extremely efficient hunters and have evolved to be able to detect potential hosts from far away. They have an impressive sense of smell that allows them to track down both carbon dioxide and pheromones produced by humans and other animals. Once they detect a potential host, they will move quickly towards it in search of a meal.

In addition to their sense of smell, bed bugs also use visual cues to find their way towards a potential host. They are attracted to dark colors and will often travel along baseboards or walls until they find what they are looking for. This means that if you have an infestation in your home, there is no need to worry about bed bugs wandering off into other rooms or areas of your house – as long as there is a potential food source nearby, they will stay put until they find something to eat.

See also  does world market take food stamps

Finally, starving bed bugs may also rely on vibrations in order to locate food sources. This means that if you sleep in an infested room and move around too much while you’re sleeping, this could attract hungry bed bugs who are looking for their next meal.

In summary, how quickly a starving bed bug finds food largely depends on how close it is to a host or other sources of nutrition – if there is nothing nearby, then the bug may take days or even weeks before finding something edible. However, if there are potential hosts within range then the bed bug will likely find them quickly thanks to its impressive sense of smell and ability to detect visual cues and vibrations from far away.

What Happens When a Starving Bed Bug Finds Its Host?

When a bed bug is starving, it will seek out any warm-blooded host it can find. Bed bugs are especially attracted to humans and other mammals due to their body temperature and the carbon dioxide they produce. Once the bed bug has found its host, it will immediately begin to feed.

Bed bugs have specialized mouthparts designed for piercing skin and sucking blood. They use these mouthparts to pierce the skin of their host and inject an anticoagulant that prevents the blood from clotting. The bed bug then begins to feed on its host’s blood, typically for 5-10 minutes at a time before returning to its hiding place.

The bite of a bed bug can be very uncomfortable, resulting in itching and swelling around the area of the bite. In some cases, bed bug bites can become infected if not treated properly. In addition, some people may experience an allergic reaction to the anticoagulant injected by the bed bug as well as other allergens present in its saliva.

Bed bugs are difficult pests to eradicate once they have infested an area due to their small size and ability to hide in tiny cracks and crevices. It is important to take preventive measures such as regularly inspecting your home for signs of bed bugs and regularly washing your linens in hot water to prevent an infestation from occurring in the first place.


Bed bugs are very resilient pests and can survive for long periods of time without food. While their lifespan when deprived of a blood meal is not definitively known, studies have shown that bed bugs can live for up to several months without feeding. This is due to their remarkable ability to enter a state of diapause, which helps them to conserve energy and prolong their life.

In order to effectively eliminate a bed bug infestation, it is important to understand the biology of these pests and take measures to break their life cycle. A combination of different strategies, such as cleaning, vacuuming, steam treatment, or chemical control methods can be used to achieve this goal.

In conclusion, bed bugs have an impressive ability to survive without food for several months. This makes them difficult to eradicate but by understanding their biology and implementing the right control measures one can be successful in eliminating a bed bug infestation.


I am Lucia Verse and my wish is to give you the best experience about the food.

The article is written by me where I share my passion for this topic and I hope I have shed some light to you on this topic.

If you would like to learn more about me check the about page here.

Food A to Z

Check all Food Categories