How Do Pests Affect The Environment: 4 Notable Impacts

Is it essential to know how do pests affect the environment? Yes, because awareness of this helps you see that pests aren’t something one should tolerate, and they cause more damage than good.

Start informing yourself by reading this article; then learn about pests, their impacts, and how to prevent them.

how do pests affect the environment


What Are Considered Pests?

Brittanica defined pests as any creature considered a threat to humans and their interests. They may spread diseases, cause damage, and are a nuisance. 

Some animals might be considered a pest if they injure humans or other animals and cause damage to crops or facilities. Examples of this are birds like feral pigeons or gulls, rats, and insects like mosquitoes and termites.

Certain invasive plants can be considered pests, too, like some vines. Of course, weeds are undoubtedly a problem too.

Common pests are bed bugs, flies, ants, fleas, wasps, termites, cockroaches, beetles, crickets, spiders, and ticks.

Learn more by seeing this article about the 5 major categories of pests in pest control.


How Do Pests Affect Their Surroundings?

This section will also assess the impact on agriculture, homes, firms, and health alongside the environmental effects. It is to emphasize the danger that pests can bring to their surroundings.

Here are some of the impacts that pests can bring:

  • Agriculture impact

Pests like insects, mites, rats, and nematodes are some of those that damage farmers’ crops. They can negatively affect growth and vigor, influence the quality of the produce, and reduce the overall yield.

Farmers are certainly affected; damages could lead to less and lower quality of goods sold. They could also compromise their health in the long run.

  • Residential and commercial buildings’ impacts

Termites can eat, live, and hide through wood walls, ceilings, or flooring. It would highly affect the foundation of your place once they latch on a suitable feeding spot, hollowing the insides of the wood, leaving it to become a waste if not prevented.

Rats can gnaw on almost everything, such as metal, plastic pipes, and wood; clothes, books, and furniture can also be sabotaged, and they could consume food stocks. They may also leave urine and feces, which are not only unpleasantly looking and stinky, but upon contact, it may also make you sick.

For businesses, pests can cost massive deterioration of property and public reputation, more so for the industry that manages food and travel. Firms are handling lots of people; hence, pest elimination has to be taken more seriously because many left their safety on them.

It’s also more expensive to do preventive pest control than wait for pests to start infestation and pay more for the elimination.

  • Health impacts

Mosquitoes that seem tiny and incapable of killing people are carriers of serious diseases such as the dengue virus and malaria. Mild symptoms are only irritation or swelling.

Rats are carriers of severe illnesses, such as salmonella, which can negatively impact humans and pets. It happens after the consumption of contaminated food or drink.

Some health problems such as allergies, asthma, headaches, cough, cold, respiratory issues can vary from mild to severe. Other household pests are bedbugs, flies, fleas, cockroaches, and food beetles.

  • Environmental impact

Pests create an unbalanced ecosystem, taking more than giving. They are even causing damage to other organisms’ habitats.

Natural resources are bound to be affected by these little creatures; whether it was the soil, water, or plants could decrease in quality after being exposed to pests for a time.

The usage of pesticides against pests can also negatively affect the exposed environment. Pesticides can be toxic to plants, animals, beneficial insects, and humans; hence it’s best to exercise caution when using such products.


Pest Prevention Tips

Here is a comprehensive shortlist of tips that you can easily apply to your everyday routine. Although it is simple, if you do it regularly and thoroughly commit yourself to it, you will be able to prevent pests.

You may also see this article on should I try pest prevention first before pest control for further comprehension.

As often said by others, prevention is better than cure. See the following to know simple preventive tips:



  1. Fix leaky pipes or faucets. Stagnant water may attract pests.
  2. Properly store your food. Leftovers should be kept in airtight containers.
  3. Do not leave crumbs or liquid spillages behind; clean it as soon as possible.
  4. Properly dispose of your garbages.
  5. Seal cracks and gaps on the wall, ceiling, or floor that pests can enter or hide.
  6. Install screens on your window and doors.
  7. Keep your house neat and litter-free.



  1. Choose a pest-resistant plant.
  2. Do a crop rotation.
  3. Regularly check for weeds.
  4. Prune your plants. 
  5. Attract beneficial insects.
  6. Use covers if necessary.

For further knowledge, continue reading these 12 steps to preventing garden pests naturally.



Educating yourself on how do pests affect the environment is one of the first steps in combatting problems. Other than that, identifying pests vs. beneficial organisms, knowing what pest control methods are applicable, and understanding the proper handling of pesticides, can also help fight against problems.

All in all, knowledge is a crucial factor for pest control. Hopefully, this article has enlightened you.

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