Do Mice and Rats Eat Spiders? (And Cockroaches)

Mice and rats are a nightmare for many people. These giant pests can hide in your home, eat your food, and spread infections and diseases. They can even cut through wood to get to their food. That’s why it’s important to make sure that their food is not available at your home. 

In this guide, let’s understand whether or not mice and rats eat spiders and how you can prevent spiders in your home. So, read on.


Do Mice and Rats Eat Spiders?

Mice and rats eat spiders. They can easily adapt to any habitat and will nearly eat anything if necessary. Additionally, although they are omnivores, they have preferences when it comes to food.

Rats and mice prefer to eat plant-based foods like nuts, seeds, grains, fruits over other foods. However, they also like to feed on spiders as well as their eggs.

Also, mice and rats also eat insects, birds, cockroaches, snails, beetles as long as they are easy to find and small enough to eat. In fact, mice and rats prefer to eat these small animals because of their sweet taste.

Will Mice Keep Spiders Away From the House?

No, mice and rats will not keep spiders away from your house.

Mice and rats will eat any spiders and their eggs if they are found in your home. But spiders are not their preferred food. So, just because there are rats and mice in your home does not mean they will eat all the spiders away.

In fact, rats, mice, and spiders are very likely to coexist. If you see one of them, it is safe to assume that there are more nearby. Both insects and rats are attracted to your house by leftover food, garbage, open cracks, etc.

So, in order to keep spiders, rats, and mice away from your living environment, you will need to take other measures. Later in this article, you will find a list of detailed measures to help keep spiders away from your home.

It is important that you do not ignore any pests that have found their way into your living area. Pests can be extremely dangerous despite their small size. They can expose you to diseases like hantavirus, rabies, asthma, and carry ticks, fleas, mites, lice, etc.

Do Mice Eat Dead Spiders?

Yes, in certain circumstances, mice and rats will eat dead spiders as well as other carcasses. In fact, it is not unusual for them to eat other dead mice and rats too.

Mice and rats will pretty much eat anything if it has nutritional value. Additionally, dead spiders are more convenient for them to eat as they do not have to be hunted.

So, if rats and mice see a dead spider, or any dead insects like grasshoppers, worms, beetles, and more lying around, they will definitely eat them.

Do Mice Eat Cockroaches?

Yes, mice and rats also eat cockroaches.

Mice and cockroaches often live in the same environment. Cockroaches like to feed on mice and rat droppings whereas mice and rats like to eat the cockroaches. If you find one of these in your home, you can assume that the other might be present too.

Cockroaches are usually present at one place in large numbers. So, mice can easily find and feed on cockroaches where there is an infestation.

Make sure to take immediate measures if you find either one of these in your house, or else they will multiply in number and pose a risk of diseases, destructed property, etc.

What Do Mice Like To Eat the Most?

Mice and rats are carnivorous animals. This means that they eat both animals and plant-based foods. However, they are known to prevent plant-based foods.

Mice like to eat foods like grains, seeds, nuts, and fruits. They are more attracted to sweeter foods like fruits, peanut butter, sweets, and more. If they cannot find anything else to eat, rats and mice will also feed on vegetables.

In fact, there are no limits to what they will eat. If the necessity arrives, they will eat anything that is in their sight. This includes foods like grapes, rotten leftovers to animals like snakes, birds, frogs, etc.

The bottom line is that as long as the food is nutritious and helps them survive, mice and rats will eat them. When it comes to spiders and insects, mice and rats prefer to eat them because they are sweet in taste, small in size, and easy to find.

It is very common to find mice, rats, insects, and spiders together in an infestation. These animals feed on each other and their droppings. So, if you find a rat or mice eating other pests (and their eggs) in your home, do not be surprised.

How To Keep Spiders Away From the Home?

Of course, pests of any kind can be extremely harmful and can expose you to many diseases, other pests and deteriorate your living space. Here are some things that you can do to keep spiders away from your home:

1. Citrus

One of the easiest ways to get rid of spiders is by using citrus. Citrus is found in fruits like oranges, lime, and lemons. There are two ways to use citrus to deter spiders.

First, you can squeeze juice from a lemon or an orange and water into it. Put this mixture in a spray bottle and spray the citrus juice wherever you see spiders.

Or, you can simply use a peeled lemon or orange and rub it near the area where see spiders. Make sure to replace the citrus fruit after it gets dry in a few days.

2. Peppermint Oil

Many anti-insect sprays use peppermint oil as an ingredient.

Spiders have fine hairs on their legs which help them sense smells and vibrations. The strong smell of peppermint oil overwhelms spiders so they stay away from it.

You can either use some peppermint oil around areas that you see spiders in. Or, you could sow a small peppermint plant in that room.

However, since the smell of peppermint is extremely strong, too much can make you dizzy or nauseous. Open the windows sometime after spraying peppermint in a room.

3. Hair Spray

If you can’t find bug spray, hair spray will work just as fine. In fact, hair spray is exerted with a much stronger force than bug spray.

A dash of hair spray will immobilize a spider for at least a few minutes. Then, you can either safely carry it out of your home or kill it.

4. Vinegar

Vinegar is highly acidic and works effectively in keeping spiders away. Additionally, it is completely natural and will not spread a smell around your room. 

All you need to do is fill a spray bottle with water and vinegar in equal proportions. Then, you can spray this mixture wherever you find spiders.

You can also spray it in any dark corners or nooks to avoid spiders from building webs. However, you need to be careful while using vinegar on furniture as it can remove the polish from them.

5. Lavender

Not many people know that lavender can help keep spiders away.

All you need to do is spray some lavender oil in dark, closed areas where you find spiders. Or, you can also keep a lavender plant in that particular room. 

Not only will this keep spiders and other small insects away, but it will also give your room a pleasant fragrance and a beautiful appearance.

6. Bleach

Bleach can also be an effective repellent for spiders.

Simply spray a small amount of bleach in any corners that you find spiders in. The strong, pungent smell will instantly drive the spiders away from your home.

However, you need to be careful while using bleach. it can leave stains on your furniture and even cause discoloration of fabrics like bed sheets, sofa covers, etc.

7. Turn Off The Lights

Lights do not attract spiders but it does attract their food. You might not even have known that simply keeping your lights on can cause spiders to enter your home.

Flies and other small insects are attracted by lights. Naturally, spiders would also go near lights in order to obtain food. But how can you make do without lights?

You can use blinds in order to keep insects and flies from entering your home. Additionally, you should turn off your outdoor lights whenever they are not required.

8. Clean Your Home

Lastly, the most effective and easiest way you can keep spiders, rats, mice, and other pests away is by maintaining cleanliness in your living space.

There are a few things in particular that keep spiders away from your home:

  • No clutter: Spiders like to hide in dark and closed spaces. If you organize your home, there will be no places for spiders to build webs in. If possible, you should also try to use clean, glass containers instead of cardboard boxes.
  • No dust and food crumbs: It is no secret that pests are more likely to be found in dirty areas. You should try to dust your furniture and other items in your room every few days. 
  • No garbage: Do not leave garbage out for too long inside your home. Additionally, if you can, place your dumpster outside your home to maintain the cleanest environment possible.

Conclusion: Can Mice Eat Spiders?

Finally, the question of whether mice and rats eat spiders is answered. You know now that mice and rats not only feed on spiders, but they also like to eat the spiders’ eggs.

Hopefully, after you have read this article, you know the dangers that these pests pose. They often coexist in an environment. But you no longer need to worry, because you know everything that you need to do to make them stay away from your living space!

Disclaimer: This blog should not be considered as being professional pet medical advice. The content published on this blog is for informational purposes only. Please always consult with a licensed and local veterinarian for medical advice.

About Shaun Clarke

Shaun is passionate about pets and animals, especially dogs, cats, and rabbits. He owns a dog and a couple of cats too. He loves visiting wildlife sanctuaries and shares a strong bond with animals. When he is not writing, he loves to do a barbecue in the backyard with his family and friends.