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13 Natural Ways to Get Rid of Stink Bugs in Garden

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13 Natural Ways to Get Rid of Stink Bugs in the Garden

Annoying little pests that are voracious plant raiders, stink bugs destroy a lot of crops globally each year [1]. Therefore, it is vital that you get rid of them before they become a problem.

The stink bug (Pentatomidae) acquired its name because of the foul odor it emits when threatened or squished. It’s said to smell something like pungent herbs, especially cilantro.

Some even say they remind them of a skunk. The chemical secreted by the insect that gives off this foul smell is a defense mechanism against predators.

Stink bugs also go by the name Shield Bugs because of their shape, which is triangular like a shield. It’s this shape that often gets them confused with the leaf-footed bug.

Lifecycle

Their life cycle consists of three stages — eggs, nymph, and adults [2]. The nymphs go through five instars before reaching adulthood.

Adults can be up to 2 cm long. Depending on the species, they might be green, gray, brown, and some even have patterns.

The eggs are laid in clusters on the underneath of host plant leaves. The laying period begins in early spring through August when the weather is warm.  

How to Get Rid of Stink Bugs in the Garden Naturally 

Though there is no need to fear them because they do not bite or sting, they will wreak havoc on your garden.

These are the top natural and organic approaches to keeping these pesky skunk-smelling critters away.

1. Kaolin Clay

Kaolin clay is a naturally occurring clay mineral and when prepared in a spray solution, can be applied to plants, especially the undersides of leaves.

It won’t allow their eggs to attach.

2. Beneficial Insects

Attracting insects that hunt for these little green bugs is one of the best natural ways to control the plant-eaters.

Insects that like to yank them include toads, praying mantis, ladybugs, parasitic flies, predatory stink bugs, birds, and lacewings.

A little research will tell you which stink bug predators are native to your area and how to attract them.

3. Trap Plants

You can use plants to confuse stink bugs, luring them away. Once they’ve flocked to it, you can (carefully!!) drape a bag over the plant, yank it up and dispose of it — plant and bugs alike.

It’s suggested leaving the sealed bags in the hot sun for a few days to kill the bugs trapped inside before you throw the bags away.

The plants they will go after most are sunflower, sweet corn, mustard, hollyhocks, okra, and amaranth.

Plant those nearby to keep them out of your vegetable garden — unless they are a part of your prized crops.

4. Manually Remove Them

Best to do this with gloves and a mask on. If they feel threatened, they will emit a foul odor that can last up to 4 hours.

Quickly pluck them off the plant they’re destroying and drop them into a pail of soapy water which suffocates them.

5. Hose Them

Use a spray nozzle on your hose just not on a high setting to knock them off the plant. It may not harm them, but it will keep them off the plants for a while.

6. Sticky Fly Tape

Use these with caution because they can catch beneficial insects as well as pests. Sticky traps can be used to safeguard both the garden and the house from infestation.

Use it to make a barrier around your garden or window sill if they’re finding their way inside the house. The sticky tape makes an excellent stink bug trap!

7. Neem Oil Spray

Mix up 2 teaspoons of neem oil with 4 cups of water and spray liberally everywhere you have the stinky little bugs.

This natural pesticide will get soaked up by their exoskeletons, and begin to interfere with the way they behave. However, it doesn’t kill them instantly but in the end, they do die.

8. Diatomaceous Earth (DE)

Spread this natural white powdered silica at the base of plants and on its leaves. It will prevent them from being naturally able to lay their eggs.

Diatomaceous earth will also interfere with the feeding of those that eat roots and shoots.

9. Eliminate Weeds

Nymphs only eat weeds and grass so pulling them up and completely disposing of them will rid the adults of a place in your garden to lay their eggs.

10. Garlic Spray

A simple home remedy, this spray is a mixture of water, organic liquid soap, and garlic. Blend, strain, and spray on plants liberally.

The smell will repel the critters, and the taste will keep them from eating your plant. Reapply after it rains.

11. Soapy Water

Organic liquid soap and water; what could be simpler?

This simple homemade solution is sprayed directly on contact where it’s soaked up by their bodies, later dehydrating and killing them.

12. Hot Pepper Spray

This spray is made by soaking hot peppers like chili or scotch bonnet in water and then using the water in a spray bottle.

Peppers have Capsaicin in them. As a result, this chemical, which gives the fruit its “heat”, also burns the bugs’ bodies when it’s sprayed directly on them.

13. Azera

Azera is a natural insecticide. Moreover, it combines an extract from daisies called Pyrethrum with neem oil that works against harmful insects.

This stink bug killer breaks down in sunlight so applying it at night or late evening would be best.

What Do They Eat?

Plant eaters feed on:

  • Shoots
  • Young fruits – infects the fruit which causes it to fall prematurely.
  • Mature fruits – tomatoes, apples, peaches, etc. However, they don’t eat all of it, but they do give access to other insects.
  • Cereal grains – sorghum, rice, oats, etc.
  • Vegetables – above ground and below ground varieties.
  • Roots – doesn’t kill but does give access to other insects.
  • Tree sap – all kinds of trees, not just fruits and nuts.
  • Ornamentals – they eat the leaves mostly.

Predators eat other stink bugs.

Types of Stink Bugs

There are several different species, but they all fall into two categories. The one with the most members is the plant-eating type.

The second is an insect predator that goes after other stink bugs. It’s very important to know the difference between the two so you don’t get rid of the wrong one.

Plant eaters include the:

  • Brown Marmorated (Halyomorpha halys) – has a brown marbled body, with darkish-brown wings, and lightly-colored antennae.
  • Harlequin Bug (Murgantia histrionica) – these have patches of red and blank on their body.
  • Southern Green (Nezara viridula) – mostly seen in the southern states, hence the name. It’s bright green all over with red or black eyes. It displays black spots on its body sides.
  • Rice (Oebalus pugnax) this one has elongated forward-pointing spines all over its body and frequents the NE states where they are most common.
  • Forrest Bug (Pentatoma rufipes) – this one is found all over the world in woodlands and forestry areas. They have brown bodies with reddish or orange colorations and orange legs.

Predatory (beneficial) stink bugs include:

  • Spiked Soldier – has a light brown body with yellow beak. They too display ridges on the top parts of their body and head.
  • Two-spotted – has a black body with red or yellow markings and two bold black spots on the thorax.

Takeaway

Stink bugs will not only infest your garden and orchard, but also your home.

The best way to avoid an infestation is to prevent it before it happens. If not, the above are the best helping aids that will not harm your health or plants.

Sasha Brown

Blogger and lover of all things natural.

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