When spider mites begin attacking your plants, ornamentals, crops, bushes, and trees, you need to fight back fast and hard. If you don’t, your plants will suffer, lose leaves, wilt, and die under their assault.
Assault is the correct word for it too. Spider mites reproduce quickly and it doesn’t take long for a true infestation to manifest itself in your garden or yard. When you look at the underside of the leaves on your plants, you’ll see an army of little dots sucking the life out of them.
You shouldn’t just “spray something” though.Normal insecticides can have unintended side effects when you’re fighting spider mites. Keep reading because we can help you fight smart instead of flailing at the wind.
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Our Top Pick
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Our Top Pick
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1500 Live Ladybugs
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Grower's Ally Spider Mite Control
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Neem Oil
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Diatomaceous Earth
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Demand CS
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Doktor Doom Spider Mite Knockout
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Floramite SC
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Safer Brand Insect Killing Soap
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Our Overall #1 Rated Pick
Updated as of January 19th, 2022
- 100% natural method of spider mite control
- Good for organic gardening
- No chemicals
Ladybugs are natural predators for aphids, asparagus beetle larvae, spider mites, and other soft, slow-moving insects. Turn the ladybugs loose and let them eat the spider mites.
他们到达一个网棉包,可以安全地stored in a standard refrigerator for 1-2 weeks. The best way to release them is to water your plants at dusk then let the ladybugs go around the base of the plants. The moisture gives them something to drink.
Once released, the ladybugs could fly away if you don’t provide a suitable environment for them. Get an insect house and nail it to a tree or post near the infected plants to give them a place to live.
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Top 8 Best Spider Mite Killers
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Connect with a local pro todayWhat Are Spider Mites?
In order to kill spider mites, you first need to know something about them. We won’t spend too long on this section but the information here is important to winning the war against them.
Spider mites aren’t insects, they’re arachnids. They’re called spider mites because they produce a fine silk web over the leaves, not to catch prey but to protect themselves. They have 8 legs instead of 6 and are classified as parasites that damage plants, crops, and trees.
They’re less than 1/50” in length, so small they’re difficult to see with the naked eye. They have an oval-shaped body and live on the underside of leaves where they suck on the sap.The female can lay hundreds of eggs in a season, which only takes 7 days to mature after they hatch.
害螨喜欢热,阳光明媚,和干燥条件. These are the environmental conditions where they reproduce the best.
Signs of Spider Mite Infestation
Spider mites can infest over 200 different types of plants.The signs of an infestation will be faded or yellowing leaves. Other mite damage can include a white webbing covering the underside of leaves.
If you put a piece of white paper under a leaf you suspect of having spider mites and shake the leaf gently, you’ll see little dots falling on it like pepper. If you look at them with a magnifying glass, you’ll be able to see their legs and oval bodies.
Types of Spider Mites
The main species of spider mites in the United States are two-spotted spider mites, spruce spider mites, and European red spider mites. The European red ones are the easiest of the mite species to spot and identify.
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What Are Spider Mite Killers?
Spider mite killers, known asmiticides, are pesticides that are specially formulated to kill spider mites. Because they’re not normal insects, most insecticides won’t kill them and even if they do, their rapid reproductive life cycle assists them in quickly building up a resistance to them.
The chemicalsAbamectin,Bifenazate,Hexythiazox, andSpiromesifenare some of the active ingredients often used in hard miticides. Horticultural oils (used mainly in the summer) and dormant oils (used primarily in cool weather) are the so-called “soft” miticides.
An insecticidal soap is also considered a good method of spider mite control. Predatory mites are natural predators that feed on spider mites, as well as insects such as lacewings and ladybugs.Six-spotted thrips are also natural predatorsused to control spider mite populations, as are pirate bugs.
This is by no means an exhaustive list. Anything that kills spider mites or inhibits their growth and/or reproduction would be considered a spider mite killer. This would include any homemade spider mite killer too.
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How Do Spider Mite Killers Work?
There is no one answer to this question. A chemical miticide will kill spider mites based on the mode of action of the active ingredient. Diatomaceous earth works by mechanically sucking moisture out of pests that cross it, while each essential oil will have a unique mode of action.
We’ll discuss how each method works when we get to them.
Check out the video below for more information on spider mites and how to get rid of them!
How Do You Find The Best Spider Mite Killers?
The best spider mite killer is the one that eliminates the spider mites without damaging the host plants, whether the infected plants are houseplants, field crops, or grown in a hothouse or hydroponics solution. If the plants are damaged, it’s counter-productive.
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Are Spider Mite Killers Effective?
Yes, but if and only if you apply them correctly. A natural spider mite killer or if you prefer, an organic spider mite killer can be just as effective a method of pest control as any kind of chemical control or biological control.
To effectively control spider mites, consistent application is the key. Even the best spider mite killer in the world won’t work if it’s applied incorrectly. If you want to know how to get rid of spider mites, reading the label is the first step to success.
Assuming you apply any of these methods correctly, the real question becomes how effective is the chosen method? That is; what percentage of existing spider mites will it kill? We’ll discuss that with each method as we come to it.
How To Use A Spider Mite Killer
Every spider mite killer is deployed differently. Releasing beneficial insects such as lacewings or ladybugs requires more than simply setting them loose in your garden. Some methods will require the use of a sprayer and for others, you’ll need a hand spreader.
Are Spider Mite Killers Safe Around My Pets And Children?
As a general rule, yes. Some oils, such as neem oil may leave a strange taste on fruits and vegetables if you don’t wash them off before eating them but by and large, all the methods outlined here are considered non-toxic.
There may be the occasional pet or individual who is allergic to something but that’s the exception rather than the rule.
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Best Spider Mite Killers Reviewed
- 100 % natural method of spider mite control
- Good for organic gardening
- No chemicals
Ladybugs are natural predators for aphids, asparagus beetle larvae, chinch bugs, leafhoppers, mealybugs, mites, moth eggs, scales, thrips, whitefly, and other soft, slow-moving insects. Turn ‘em loose and let them do what they do – eat other bugs.
They come in a mesh bag and can be stored in a standard refrigerator for 1-2 weeks without killing them. For the best results, water your plants at dusk then release the ladybugs around the base of the plants. The moisture gives the ladybugs something to drink.
一旦释放他们可以飞去了如果你不专业vide a suitable environment for them. Get one of theseNiteangel Wooden Insect Housesand nail it to a tree or post near the infected plants. Customers love this method of spider mite pest control.Pros
Cons
- Works on most plant pests
- Safe and effective
- All-natural ingredients
Grower's Ally Spider Mite Control gets rid of adult and nymph spider mites, and it works for most other soft-bodied insects as well.
It’s safe to use on most plants, and it works by overstimulating the pest's nervous system yet uses no harmful chemicals. The secret is in its all-natural ingredients that spider mites hate.
It's perfect for indoor, outdoor, greenhouse, and hydroponic facilities, and it’s certified organic. Lastly, it can be used as a preventive treatment on most household plant varieties.
Pros
Cons
- 100% natural method of spider mite control
- Suitable for organic gardening
- Won’t harm your plants
Neem oil is extracted from neem trees in India, cold-pressed to prevent altering the composition of the oil. It is OMRI listed to be used in organic farming and gardening. Many customers have reported excellent results from using this ancient method of pest control.
The active ingredient, Azadirachtin, works by disrupting the spider mite’s hormonal balance so they die before they can molt. This prevents them from becoming adult mites that can reproduce, thereby acting as birth control for bugs.
Mix 1.5 teaspoons of neem oil with a quart of water in a32-ounce spray bottleand shake vigorously. Spray it on the underside of the infected plant leaves. It can be used inside or outside.
Pros
Cons
- 100% natural method of spider mite control
- Suitable for organic gardening
- Won’t harm your plants
Diatomaceous earth is composed of the fossilized remains of microscopic sea creatures called diatoms. It acts as adesiccantto absorb moisture from insects and mites as they crawl across it. Because this is a mechanical action, bugs and mites can never develop a resistance to it.
You’ll need to purchase ahand spreaderto broadcast the diatomaceous earth in a fine layer on the ground around the base of the plants. Because it’s a powder, it won’t stick to the underside of the leaves where the mites are, which somewhat reduces its effectiveness.Pros
Cons
- Economical alternative to similar products
- Safe for most ornamental plants
- Long-lasting residual control
Demand CS has been the long-standing favorite of professional and DIY gardeners for over 30 years. It contains lambda-cyhalothrin, one of the most potent active ingredients available. It comes in a proven effective micro-cap formula to knock out spider mite infestations for up to 90 days.
It's safe to use for most ornamental plants. Be sure to thoroughly spray these areas to reduce mites:
- Trunks
- Stems
- Twigs
- Foliage
You can also use Demand CS for most structural pest control and management around homes, schools, hospitals, and industrial settings. It's EPA-approved for both indoor and outdoor use.
Pros
Cons
- Strong and effective against spider mites
- Works for several other pests as well
- Easy to use, just point and spray
This Doktor Doom Spider Mite aerosol contains pyrethrins to pack a powerful punch. However, it's safe to use on most indoor and outdoor plants.
This non-residual formula ensures quick knockdown of insects while leaving no oily film on leaves and stems. This ensures the safety of pets and family members, also.
To use, simply spray the affected areas where you see live insect activity. It also destroys eggs and larvae as well as adult spider mites.
It comes in an easy-spray aerosol can. There's no mixing of messy concentrates or spray equipment to buy.
Pros
Cons
- Miticide designed to kill spider mites
- Can spray on top of the leaves
- 45-day residual impact
Floramite is another miticide designed specifically to kill mites. The active ingredient is Bifenazate: Hydrazine carboxylic acid, 2-(4-methoxy-[1,1-biphenyl]-3-yl) 1-methylethyl ester 22.6%. So, yes, this contains lots of chemicals.
The good news is, it’s very gentle on predatory mites and beneficial insects. This makes it an ideal addition to anIntegrated Pest Management (IPM)plan as recommended by the EPA. A1-gallon pump-up sprayerwill be required for mixing and spraying.
It can be used on ornamentals in a variety of settings such as greenhouses, shade houses, landscapes, nurseries, and fields. It has a residual impact of 28 days. Most of the people who used it like it, but it is not suitable for organic gardening.
Pros
Cons
- No chemicals; uses all-natural ingredients
- Effective for most plant-infesting pests
- Convenient spray bottle included
If you're looking for a natural alternative to killing spider mites, you may want to try this insecticidal soap from Safer Brand. It contains no synthetic ingredients yet kills most mite species without harming the environment.
The secret is in its active ingredient. It utilizes natural potassium salts to break down the waxy layer of an insect's exoskeleton. Simply put, that means the insect dies from dehydration.
Safer Brand Insect Killing Soap comes in a convenient spray bottle, so there's no mixing needed. Also, it's OMRI-listed, meaning it's 100 percent approved for organic gardening.
Pros
Cons
Our Top Pick:1500 Live Ladybugs
Ladybugs are natural predators for spider mites, aphids, and other pests. Turn ‘em loose and let them do what they do best – eat other bugs.
Release them at dusk around the base of your infected plants after watering them. By morning they’ll be busy devouring any pests they encounter. They can even be stored in the refrigerator for 1-2 weeks until you need them.
- 100 % natural method of spider mite control
- Good for organic gardening
- No chemicals
Other Mite Guides
Curious about other mite related products? Check out our other detailed guides to help you deal with your pest problems.
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