Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (2023)

It’ll happen when you least expect it. Your plants will be growing beautifully, and you feel like you have this whole gardening thing under control. And then – out of nowhere – you see them.

Crawling on the surface of the soil, or maybe clustered together on a stem or under a leaf. The bottom drops out of your stomach and the panic sets in.

What do you do now? Yes, you need to take immediate action to curb your pest infestation before it really takes off, but before you reach for the closest pesticide, consider fighting the latest outbreak with an all-natural biological pest control method as old as time itself.

Biological pest control is a pest management technique that involves using beneficial insects to fight pest infestations. Ladybugs, green lacewings, parasitic wasps, predatory mites, and hoverflies are just a few of the insects used to control pest populations without bringing harm to yourself or your plants.

Read on to learn what exactly biological pest control is, and identify how and when to use it in your indoor or outdoor garden.

What Is Biological Pest Control?

Biological pest control is the use of living organisms to control pest populations.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (1)

Kimberly Stoner, Entomologist at the Connecticut State Agricultural Experiment Station explains the relationship between biological control and pests:

“Biological control is the use of living organisms to suppress pest populations, making them less damaging than they would otherwise be. Natural enemies of insects play an important role in limiting the densities of potential pests. These natural enemies include predators, parasitoids, and pathogens.¹”

https://portal.ct.gov/CAES/Fact-Sheets/Entomology/Approaches-to-the-Biological-Control-of-Insect-Pests#:~:text=Summary-,Biological%20control%20is%20the%20use%20of%20living%20organisms%20to%20suppress,predators%2C%20parasitoids%2C%20and%20pathogens.

Stoner explains that biological pest control can take one of three forms:

  • predatory insects
  • parasitoids
  • pathogens

Predatory insects are insects who consume pests in either their larval stage or adult stage. Ladybugs, green lacewings, and praying mantises are examples of predatory insects.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (2)

Parasitoids are insects who act as parasites to host organisms – one example is the parasitic wasps, who lay their eggs inside other insect bodies, and when the eggs hatch they kill the host organism.

Pathogens include bacteria or fungi that are designed to infect a specific host species.

Advantages Of Using Beneficial Insects

Using beneficial insects is one of the best ways to fight pest infestations! Here are some of the benefits:

(Video) Houseplant Pests: Get Rid of Them Organically!

All-Natural & Chemical-Free

Biological pest control removes all worry about coming in contact with harsh chemicals, either synthetic or organic. While most pesticides are so powerful that they must be diluted or applied sparingly, you really can’t overdo it with predatory insects.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (3)

The worst-case scenario that may occur is that the surplus of predators will completely eradicate the prey, causing the beneficial insects to starve to death.

Hands-Free Pest Control

Whereas spraying for pests is a time-consuming task that needs to happen on a regular schedule, biological pest control requires significantly less supervision.

You might not even be able to notice whether or not your predatory insects are initially working because the control happens on such a minuscule scale. Eventually, you will see your pest populations decrease and almost disappear.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (4)

If applied correctly, you shouldn’t need to add additional rounds of predatory insects, as the insects will live and reproduce on their own. If your insects do die due to exposure to extreme weather conditions or chemicals, you can always order and release more populations.

Establish Permanent Pest Control

Some predatory insects (like ladybugs and green lacewings) are native to North America. Entice beneficial insects to your garden by planting native perennial plants and nectar-rich flowers.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (5)

If even you can’t score free predatory insects, you can order hatching eggs of many of these beneficials online for a reasonable price.If you provide habitat and a constant food source for predatory insects, they won’t go anywhere and you can reap the rewards of biological pest control for seasons to come.

Disadvantages Of Using Predatory Insects

As with anything, there are a few realities that may make predatory insects less than ideal in some situations.

Not Compatible With Chemical Sprays

If you spray your plants regularly, you’ll have a hard time keeping predatory insects around, as these insects are sensitive to chemicals. If you can help it, don’t use any pesticides, fungicides, or synthetic fertilizers in conjunction with beneficial insects.

Results Aren’t Instantaneous

Biological pest control doesn’t always work instantly, and in the most severe infestations, you need to act immediately. It takes some time to order and ship predatory insects, and you do need to account for the time it takes for insect eggs to hatch and multiply to really curb the pest population.

When To Use Biological Pest Control

Now that you know what biological pest control is, you might be wondering when you should use it. Here are two use cases:

Preventative

Many gardeners introduce predatory insects into their gardens well before the telltale signs of infestation, as a preventative measure. Ideally, you’ll want to keep your initial population of beneficial insects alive (and their consecutive generations) by providing a habitat for them to live and reproduce.

(Video) KILLING SPIDER MITES & APHIDS DEAD. www.liquidirt.com for how to keep plants healthy.

Create habitat for beneficial insects in your outdoor garden by planting a pollinator garden that will provide habitat for insects that need to overwinter. Most beneficial insects, even if their larvae are predatory, actually eat nectar and pollen as adults.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (6)

Plant re-seeding annuals and perennial flowering shrubs to provide a food supply for the adults. Diversify your plantings as much as possible to create varied habitats and consistent flowering year-round.

Avoid spraying any kind of pesticide or chemical after you’re released predatory insects, or you run the risk of wiping out the good bugs as well as the bad bugs. Build a “bug bath” by filling a shallow dish with water and a few stones or sticks.

Active Infestations

You can introduce biological pest control as soon as you notice the first signs of an infestation. Don’t delay in ordering your predatory insects – infestations are so much easier to cull early on.

Biological pest control is very effective, but predatory insects can only eat so many pests per day – even if that number is in the thousands. Introduce predatory insects as early as possible to prevent the prey population from growing exponentially.

Apply biological pest control early and often for the best results – even in the worst of invasions.

How To Apply Biological Pest Control

Applying biological pest control isn’t difficult, but take care to release predatory insects at the appropriate time and in the correct location for maximum success.

Before you order beneficial insects, make sure to correctly identify the pest(s) in your garden and match them up with the correct predator or parasite. While some beneficial insects are generalist feeders, most specialize in one or more pest species.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (7)

Depending on the beneficial insects, they’ll be shipped to you as eggs, larvae, or adults. Whatever species you buy should come with detailed instructions on how and when to release. A good rule of thumb is to release beneficial insects in the early morning or late evening when the insects are most active.

Intentionally place predatory insects close to their prey, and make sure there are blooming flowers around to encourage the nectar-eating adults to stick around. Water the plants before after application to ensure newly-hatched predators have water and to help their bodies adhere to the affected plants.

6 Beneficial Insects To Use (Plus Where To Get Them)

Now that you understand how and when to use beneficial insects, use this guide to determine which insect to use for which pest problem.

1. Ladybugs

The red and black beetles that we all know and love are really vicious aphid-eaters. North America is rich in both native and naturalized ladybug species.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (8)
(Video) NATURAL PEST, WEED AND DISEASE CONTROL

The adults and larvae of both types prey on aphids, mites, and other crawling insects. Ladybug larvae have the signature red and black markings of adults, but they resemble a spiky worm with six legs.

Attract ladybugs to your garden by cultivating wildflowers and native perennial plants, or by planting a sacrificial aphid-susceptible crop, like nasturtiums. Give it a week, and these hungry beetles are sure to find their way to your garden.

2. Green Lacewings

While adult green lacewings feed on pollen and nectar, lacewing larvae have such an appetite for aphids that they’ve earned the name “aphid lions.” Lacewing larvae have been known to consume as many as 1,000 aphids in a day.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (9)

Green lacewings hold so much benefit for the garden, managing pest populations when young and pollinating plants as adults.

3. Parasitic Wasps

A diverse family of roughly 100,000 species, parasitic wasps can be categorized by a few different types. The University of Maryland groups parasitic wasps into three categories: Aphelinidae (Aphelinids), Chalcididae (Chalcidids), Encyrtidae (Encyrtids), and Trichogrammatidae (Trichogramma), Braconidae (Braconids), and Ichneumonidae (Ichneumons) wasps.²

Braconid wasps are a favorite among farmers and gardeners, as their larvae eat aphids, cabbage looper, tomato hornworm.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (10)

Adult wasps lay their eggs in the hosts’ bodies or eggs, injecting a venom that inhibits the hosts’ body from fighting the wasps. Trichogramma wasps target butterflies and moths, while Encrytids are opportunistic wasps that feed on anything they can.

4. Predatory Mites

Who hasn’t had an issue with spider mites in their garden? Those annoying microscopic arachnids will wreak havoc on everything from houseplants to your outdoor vegetable garden. Fortunately, predatory mites are effective spider mite killers, and these aggressive insects will make quick work of any lingering thrips as well.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (11)

5. Hoverflies

Adult hoverflies are often confused for honeybees or wasps, especially as these flies are frequently spotted pollinating flowers. Hoverfly larvae are natural predators of several plant pests, including aphids, thrips, scales, and caterpillars. A pollinator native to North America, hoverflies are an essential piece of a healthy garden ecosystem.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (12)

6. Predatory Nematodes

You might have heard about nematodes – these microscopic worms can be either friend or foe in the garden, so be sure to look for the identifier “beneficial” or “predatory” when researching and ordering nematodes.

Biological Pest Control (5 Natural Ways To Get Rid Of Plant Pests & Bugs) | GreenUpSide (13)
(Video) PEST CONTROL: CONTROLLING INSECTS, DISEASES, AND WEEDS | LIVESTREAM

Predatory nematodes live in the soil and seek out their prey via hunting or waiting for an opportunity to ambush. Once the prey has been located, beneficial nematodes invade the host organism. Dr. Leonard Perry, from the University of Vermont, describes the science behind the attack:

“Once found, the beneficial nematodes enter the grub or other pest through body openings, such as the mouth or openings to the breathing tubes (“spiracles”). These juveniles carry a bacterium (safe for plants and the environment) that they release into the pest blood. These bacteria multiply, killing the pest in two days or often sooner, and converting host tissue to food for the nematodes.³”

https://pss.uvm.edu/ppp/articles/nemat.html

There’s hardly a more cold-blooded killer of soil-borne pests than the beneficial nematode. Nematodes are useful in controlling pests that inhabit the soil, including flea beetle larvae, Japanese beetle grub, and cutworms.

Where To Find Insects For Biological Pest Control

Use predatory nematodes in conjunction with airborne predatory insects to attack pests at all stages of their life cycles.

Beneficial insects are easier to acquire than you might think. Online retailers like Arbico Organics carry a wide range of predatory and parasitic insects.

Some seed companies, including Territorial Seed Company, have the more common beneficial insects, like ladybugs and green lacewings, available for purchase. Other retailers of predatory insects include Nature’s Good Guys, GrowOrganic, and even Amazon.

Conclusion

When you have a pest infestation, synthetic chemicals aren’t your only option, and even organic sprays don’t have to be your first choice. Consider introducing biological pest control for the worst infestations, or as a preventative measure for the first outbreak even begins. Better yet, incorporate perennials and flowers into your garden to create a balanced ecosystem of predator and prey from the very beginning.

I hope you found this article helpful. If so, please share it with someone who can use the information.

You can learn more about organic pest control methods here.

If you want to read some of my most popular posts, please check out the “Best of GreenUpSide” page here. Enjoy!

~Jonathon

Resources

¹ Stoner, Kimberly, “Approaches to the Biological Control of Insect Pests.” The Connecticut State Agricultural Experiment Station, CT.gov, https://portal.ct.gov/CAES/Fact-Sheets/Entomology/Approaches-to-the-Biological-Control-of-Insect-Pests#:~:text=Summary-,Biological%20control%20is%20the%20use%20of%20living%20organisms%20to%20suppress,predators%2C%20parasitoids%2C%20and%20pathogens.

² Raupp, Mike, Traunfeld, Jon, and Sargent, Chris, “Parasitoid Wasps.” University of Maryland Extension, https://extension.umd.edu/resource/parasitoid-wasps.

³ Perry, Leonard, “Beneficial Nematodes.” University of Vermont Extension, https://pss.uvm.edu/ppp/articles/nemat.html.

FAQs

What are 5 ways to prevent pests? ›

Preventing Pests
  1. Remove any sources of food, water or shelter.
  2. Store items in safe and enclosed containers.
  3. Dispose of garbage regularly with a tightly closed lid.
  4. Reduce clutter or areas where pests can hide.
  5. Seal and close off any cracks or holes to eliminate outside entry.
1 Jul 2017

What are the natural ways to control the pest? ›

Natural Insect Pest Control
  1. Soapy Water. Keep a small spray bottle handy, and spray the ants with a bit of soapy water. ...
  2. Bedding and Mattress Covers. ...
  3. Diatomaceous Earth. ...
  4. Nontoxic Flea Traps. ...
  5. Removing Water Around the House. ...
  6. Mint. ...
  7. Bed Bug Spray.

What are the 3 methods of pest control? ›

As mentioned above, there are many pest control methods available to choose from, but they can be loosely grouped into six categories: Hygienic, Biological, Chemical, Physical, Fumigation, Fogging and Heat treatment.

What is the most common method of pest control? ›

Chemical Control. The most common method of pest control is the use of pesticides—chemicals that either kill pests or inhibit their development. Pesticides are often classified according to the pest they are intended to control.

What is the best way to prevent pests? ›

Tips For Preventing Pest Infestation
  1. Regularly Dispose of Trash. ...
  2. Patch Exterior Holes. ...
  3. Store Food in Secure Containers. ...
  4. Deep Clean the Home. ...
  5. Reexamine Your Landscaping. ...
  6. Sanitize Soft Surfaces, Too.
26 May 2022

How do you make natural pesticides for plants? ›

Best Homemade Organic Pesticides for Vegetable Plants - YouTube

How do you make organic pest control? ›

Organic Garden Pest Control Recipe #2
  1. 1 tablespoon (15 mL.) vegetable oil.
  2. 2 tablespoons (29.5 mL.) baking soda.
  3. 1 teaspoon (5 mL.) dish soap or Murphy Oil (Note: do not use a dish soap that contains bleach)
  4. 2 quarts (1.9 L.) of water.
20 Dec 2021

What are some examples of biological control? ›

Some notable examples of classical biological control include the use of decapitating flies (several Pseudacteon species) against red imported fire ants, and a group of flea beetles, thrips, and stem borers used against alligator weed.

What are the 4 types of pest control? ›

Here are four types of pest control.
  • Chemical Pest Control. The chemical method involves uses chemical treatments to deter any kind of pest. ...
  • Biological Pest Control. Biological control involves the use of living organisms to control a pest population. ...
  • Electronic Pest Control. ...
  • Physical Pest Control.
7 Sept 2017

What are the 4 types of pest? ›

There are four different types of pests – rodents, insects, birds and wildlife. Below we discuss a little more about each, what the signs of infestation are and how you can prevent them. Rats and mice are one of the more unpleasant infestations.

How do you make bug spray with vinegar? ›

Mixing a quart of water, 12 ounces of vinegar, and a tablespoon of dish soap, you can create a mixture that will rid your garden of annoying, buzzing pests. This mixture is also harmless to plants, animals, kids, and other garden bugs you want to keep around.

How do I keep bugs off my plants without pesticides? ›

A great recipe for a homemade bug spray for vegetable plants is to use one tablespoon of dish soap, one cup of vegetable oil, one quart of water, and one cup of rubbing alcohol.

What are the steps in insect control? ›

7 Steps to an Effective Pest Management Program
  1. Step 1: Inspection. The cornerstone of an effective IPM program is a schedule of regular inspections. ...
  2. Step 2: Preventive Action. ...
  3. Step 3: Identification. ...
  4. Step 4: Analysis. ...
  5. Step 5: Treatment Selection. ...
  6. Step 6: Monitoring. ...
  7. Step 7: Documentation.

What are pests how are they controlled Class 8? ›

Pests: Insects that attack crops and damage them are called pests. Pests can be controlled by pesticides which are poisonous chemicals. Pesticides kill pests as well as their eggs and larvae but do not affect the plants.

What chemical is used for pest control? ›

Pyrethrins and Pyrethroids are the two common chemical used for pest control. Pyrethrins are organic which are obtained from chrysanthemum flowers, pyrethroids manufactured in the lab. You can easily kill mosquitoes, houseflies and cockroaches with Pyrethrins and pyrethroids.

Can we do pest control yourself? ›

For a small infestation, do it yourself is a good option that can be inexpensive. For larger infestations or a continuing problem, save yourself the time, hassle, and money and call a professional exterminator. As always, the key to pest control is prevention.

How can we prevent and control pests at home? ›

Control measures
  1. Clean up after meals. ...
  2. Put all rubbish into the bin.
  3. Wrap all food scraps tightly in paper before putting them in the bin.
  4. Keep all the benches, cupboards and floors clean and free of food scraps.
  5. Regularly clean behind stoves, refrigerators and other household appliances.
7 Feb 2020

What is pest in biology? ›

A pest is any organism that spreads disease, causes destruction or is otherwise a nuisance. Some examples of pests are mosquitoes, rodents, and weeds. Not all insects are pests. Many different kinds of insects eat other insects and are beneficial species.

What is a natural pesticide? ›

Organic pesticides are usually considered as those pesticides that come from natural sources. These natural sources are usually plants, as is the case with pyrethrum (pyrethins), rotenone or ryania (botanical insecticides), or minerals, such as boric acid, cryolite, or diatomaceous earth.

How do you make homemade insect killer? ›

Mix 1 part oil of lemon eucalyptus or lavender essential oil with 10 parts witch hazel in the bottle. (For each drop of oil, use 10 drops of witch hazel.) Shake gently to mix. Spray to apply.

What is a natural insecticide? ›

Natural insecticides, on the other hand, are substances produced by natural organisms for their own defense or derived from an organic source, such as a mineral or plant. Like traditional insecticides, the goal of a natural insecticide is to kill, repel, or put an end to the damaging behavior of insects.

What is the method of controlling of pests without using chemicals? ›

Destroy the hiding places of pests, by removing weeds and wild plants which may act as hosts for a pest or illness. To keep the pest population low, ensure crop rotation. Using farmyard manure and compost in well-decomposed form; otherwise, these components would attract white ants, black ants, and other insect pests.

What is natural control? ›

Natural control refers to the maintenance of insect populations within certain bounds by environmental conditions, or factors. Both non-biological and biological factors contribute to the natural control of insects. These include: Physical factors such as weather (e.g. cold winters can reduce some insect populations).

How do organic farmers use biological pest control? ›

4.2.

In agricultural crops, crop rotation, selection of crop plant varieties, timing of planting and harvesting, irrigation management, crop rotation, and use of trap crops help reduce populations of weeds, microorganisms, insects, mites, and other pests.

What essential oil is good for bugs on plants? ›

citronella essential oil

Citronella is widely studied as an insect repellent, most notably against mosquitos. Spritzing citronella on your plant leaves can help keep garden pests and fungus gnats away.

Will garlic powder hurt plants? ›

Garlic is not a strong chemical and should not interfere with or stunt your plants' growth or vigor. Overall, you'll be doing yourself and your plants a lot of good by using a homemade, natural, and organic garlic pesticide.

How do you mix essential oils for pest control? ›

Find a spray bottle. Fill with 12 ounces of water, 15 drops of citronella oil, 15 drops of lemongrass oil, 10 drops of peppermint oil, and 10 drops of tea tree oil. Spray affected areas and drive them away with the scent.

What are the 3 types of biological control? ›

There are three primary methods of using biological control in the field: 1) conservation of existing natural enemies, 2) introducing new natural enemies and establishing a permanent population (called "classical biological control"), and 3) mass rearing and periodic release, either on a seasonal basis or inundatively.

What are the types of biological control of plant diseases? ›

Table 1.
TypeMechanism
Direct antagonismHyperparasitism/predation
Mixed-path antagonismAntibiotics
Lytic enzymes
Unregulated waste products
3 more rows

What is a successful biological control? ›

Successes in Biological Control. by Anthony Shelton and Jill Eccleston. Biological control has been defined simply as the utilization of natural enemies to reduce the damage caused by noxious organisms to tolerable levels (DeBach and Rosen, 1991).

What is another name for pest control? ›

Practitioners of pest control are referred to as exterminators.

What are the different types of pest control name them? ›

What Are The 3 Methods Of Pest Control?
  • Biological pest control.
  • Mechanical pest control.
  • Poisoned bait.

What is a physical pest control method? ›

Common examples of physical pest control include removing or destroying nests, blocking holes, windows or doorways, temperature control methods to kill pests, or setting traps to catch pests and then remove them from the area.

What are five types of pests? ›

Here are some of the most common ones that you might come across:
  • Ants. Ants are one of the most common household pests. ...
  • Termites. Termites are the most destructive pests in the United States. ...
  • Flies. Flies can get into your home through windows, doors, or other openings. ...
  • Rats. ...
  • Mosquitos. ...
  • Cockroaches. ...
  • Bed Bugs. ...
  • Mice.
28 Dec 2019

Why do we control pests? ›

Pest control is necessary because rodents and insects carry diseases, infest your kitchens and bedrooms, and bite you or your pets. The purpose of removing any kind of pest from your home, garage, or yard is to keep you safe and healthy. For example, rodents can leave feces on or near food they find in your kitchen.

What are pink notes pest control? ›

An example is Rentokil Pest Control's 'Pink Note' system, which explicitly prohibits or mandates activities, detailing the risks and relevant operational issues. 5.

How can you prevent and control household pest? ›

Pest Prevention Tips

Seal cracks and holes on the outside of the home including entry points for utilities and pipes. Keep tree branches and shrubbery well trimmed and away from the house. Keep basements, attics, and crawl spaces well ventilated and dry. Store garbage in sealed containers and dispose of it regularly.

How do you control pests and diseases? ›

If pests and diseases cannot be prevented or controlled by cultural and physical means, it may be necessary to use natural pesticides. Many growers have developed ways of making their own sprays from plants such as garlic, chillies, marigolds and many others. These are inexpensive and have proved to be very effective.

What is the best way to prevent pest infestation quizlet? ›

  1. use screens.
  2. use self-closing devices and door sweeps.
  3. use air curtains.
  4. keep exterior openings closed tightly.

Which liquid is used for pest control? ›

Fipronil which belongs to the phenylpyrazole family is one of the important chemicals to kill pests. The insects eventually die when you use this chemical. Fipronil is a chemical used to kill pests such as fleas, roaches, and other insects. You can purchase it in liquid granules and powder form.

Can we do pest control yourself? ›

For a small infestation, do it yourself is a good option that can be inexpensive. For larger infestations or a continuing problem, save yourself the time, hassle, and money and call a professional exterminator. As always, the key to pest control is prevention.

How do you spray your house for bugs? ›

How To Spray Home Like A Pest Control Pro! -Jonny DIY - YouTube

Is it possible to have no bugs in your house? ›

Entomologists have been saying for years it's not possible to have a completely bug-proof home; now there are numbers to back that up. Scientists carefully collected all the arthropods (insects, spiders, mites, and crustaceans, among others) they found in 50 homes in North Carolina.

How do you stop creepy crawlies? ›

9 Tips to Keep Creepy Crawlers Out of Your Home This Winter
  1. Make seasonal checks. ...
  2. Repair roof or plumbing leaks. ...
  3. Remove any wood piles or other debris. ...
  4. Keep your crawl spaces clean. ...
  5. Secure containers indoors and outdoors. ...
  6. Make sure the home's envelope is as sealed as possible. ...
  7. Keep an eye towards the sky. ...
  8. Clean up.

Why are biological controls for killing pests? ›

Biological control is the use of living organisms to suppress pest populations, making them less damaging than they would otherwise be. Natural enemies of insects play an important role in limiting the densities of potential pests. These natural enemies include predators, parasitoids, and pathogens.

What are natural pest controlling methods are useful to conserve biodiversity? ›

Natural pest controlling methods includes using organic oils, genetically modified organisms, various agricultural methods, etc. The methods such as intercropping, crop rotation, mixed cropping, etc encourage the growth of different plants on the same piece of land.

Which two types of contamination can be caused by pests? ›

Pests can cause two types of contamination: Biological & Physical.

What should be included in a service contract with a PCO? ›

What should be included in a service contract with a PCO? Period of service and frequency of visits. (It clarifies what is expected from both the operation and the PCO.)

What are three of the most common areas in which cockroaches are found? ›

They are usually found in warm, dark, wet areas. They are nocturnal creatures, so if you see one during the day, this could be a sign of a larger problem. Cockroaches are often found in basements, attics, underneath trash piles, and even behind furniture.

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