- WHAT IS A THRIP
- THRIPS WILL CAUSE PLANT DAMAGE
- DO THRIPS BITE PEOPLE?
- ORGANIC THRIP TREATMENTS
- GARDEN SAFE THRIP SPRAY
- THRIP SPRAY FOR INSIDE THE HOME
- BEST THRIP SPRAY FOR MARIJUANA PLANTS
- CONTACT US
Thrips are tiny insects which have piercing mouth parts which can do damage to most any plant. If given the chance, they will take advantage of garden species as well as common landscape vegetation spreading disease and causing damage. Since they will readily live on just about any type of plant, it is important to control outbreaks when first identified to help keep damage and populations in check. A few thrips can easily go unnoticed; a large infestation can decide the local plants are not enough to eat and once they start stinging people and pets, you will surely know they are present.
WHAT IS A THRIP ^
Thrips are small insects, measuring about 1/25 to 1/8 of an inch long. They range in color from clear to white to yellow to brown to black. It is generally believed local populations will take on a color similar to that of the plant they are mostly feeding upon. Although there are Tobacco thrips or Flower thrips, it is evident they are not specie specific and they can in fact live on just about any type of plant which is able to provide them with a source of sap, juice and water.
Thrips may or may not have wings but most stages do and these are clear and feather like. Thrips are mobile and will crawl, jump, walk and fly to any target they focus upon. Their light bodies and wing structure enable them to ride wind currents great distances allowing them to find new food and nest locations as needed. Though plants are generally where they want to be nesting, water and high moisture seem to be more important.
Its not uncommon for local activity to be centered around some area in the landscape holding water. This may serve as a prime reproductive ground for them to go through their pupal stage and to provide protection during times of drought or plant dormancy. This is more typical in the northern regions; in the southern growing zones thrips will remain active year round.
THRIP LIFE CYCLE ^
- The life cycle of a thrip is unique and fast. Eggs are laid on plant tissue and hatching young will immediately begin to feed on any part of the plant which presents sap and vital fluids containing nutrition.
- After a week or so, larva will pass through two stages having eaten during this time.
- Once the third stage begins eating will stop and at this stage some may even develop wings, fly off or simply crawl down into leaf litter and mulch to pupate. It is probably the hatching of the pupa which are most responsible for the cases involving biting thrips.
- The fourth stage, the pupa, is where they turn into fully mature adults ready to mate and reproduce. Females have the unique ability to lay eggs which will prosper whether they mate with a male or not. In general, eggs produced from fertile females will yield offspring of either sex; eggs generated by females which could not find males will produce nothing but males. This biased result insures the local population gets a good balance for the future since thrips develop so quickly.
This whole process from egg to adult can happen in as little as two weeks depending on the species and the local environment. For this reason its important to realize just how quickly a few can turn into a few thousand and further explains why it is all important to head off these developing colonies and populations when first found.
THRIPS WILL CAUSE PLANT DAMAGE ^
Though rapid development of thrips by itself may not seem like reason to stop this small, innocent insect from having it’s time in the sun, the damage and discomfort it will cause is more than enough. Here are some of the common problems associated with having thrips active and living on plants in or around the home.
- The sucking and piercing mouth parts of thrips are enough to cause substantial damage to any plant. Young plants are more vulnerable and targeted more; older more established vegetation can be seriously damaged as well when a large enough population is feeding on vital sap – the life’s blood of any plant – during the dry and stressful hot season.
- Leaves of vegetation will turn brown and curl causing them to loose their ability to provide shelter and perform life sustaining photo synthesis. Defoliation can occur as well which can mean the certain death for some plants.
- The biting and sucking of thrips is responsible for the transmission of plant disease including many types of fungus and virus.
- Thrips will readily sting people and pets. Though not generally identified as a biting pest, thrips are readily attracted to people. This is thought to happen because people perspire. This moisture will readily attract thrips seeking a drink during hot dry spells. However, they will readily land on people once populations get large and begin foraging and migrating. As host plants get filled with thrips and sap begins to dry and deplete, thrips will begin to move away by flying, jumping and crawling.
DO THRIPS BITE PEOPLE? ^
Yes. Any time people are in close proximity to hatching thrip pupae, they will become targets as hungry thrips turn to anything in their way which provide nutrition. Stings will hurt and cause rashes. Its also believed the fourth stage of thrips, the pupa, will readily target people as they hatch. This is common in landscape which has high moisture. Well irrigated lawns, flower beds and gardens are prime targets for pupating thrips and when people move about in the yard they will in turn awaken the developing thrips causing them to hatch. At that time their first goal is to eat because they will emerge quite hungry.
If people are still present, they will become immediate targets. Since thrips are small, it s not uncommon for them to go unseen and many times misidentified as either a No-seeum, a mosquito or some type of biting fly. The fast flying Thrip is the common culprit and since they can pass through just about any window screen, they will readily find their way into homes. Once in the home, people and pets will become targets for food; potted plants will become the prime location for egg laying and reproduction.
If you’ve been targeted by thrips and find their bites to be itchy, BITE SWABS can be applied to the skin for itch relief.
For skin with long term damage, extensive scabbing or rash like patches, use GENES CREAM. Made with all natural ingredients, this formulation is designed to help relieve the itch and discomfort associated with thrip bites and in turn, allow for rapid healing.
REPELLENT PLANT SPRAY FOR THRIPS ^
For plants prone to getting infested every summer, treat them with PEST AWAY every 30 days to keep them insect free. This organic spray is made with plant oil and food grade actives which act as a repellent for certain insects including thrips.
The following “short video” (less than 60 seconds) summarizes how Pest Away works.
It’s safe to spray on plants like roses, privets, azalea’s and anything thrips like to infest. Pest Away will not kill insects and only repels them so once you get infested, you’ll be better served using one of the traditional sprays listed below.
ORGANIC THRIP TREATMENTS ^
Thrips can be managed using a range of organic gardening approved products including traps and sprays.
THRIP TRAPS ^
For random thrip activity in the yard, THRIP TRAPS can be placed where activity is noticed. They’ll readily attract and capture foraging thrips and in turn, reduce the activity. Space them 10 feet apart along flower beds, mulch lines or walkways.
A longer lasting organic option is MULTIPURPOSE INSECT KILLER. Treatments using this concentrate will last at least a week and it’s water based so it won’t harm treated plants. Spray shrubs and garden plants too since its approved for use on fruit and vegetable producing plants.
GARDEN SAFE THRIP SPRAY ^
If you want something a little stronger and more traditional for the vegetable garden, go with VEGETABLES PLUS PERMETHRIN. This is a true insecticide which is odorless, easy to mix and works on just about any pest in and around the garden. Since it works well for whiteflies and aphids, Permethrin is a natural for plants which are subject to a wide range of pests including thrips. Most importantly, it is the strongest product available for use on fruits and vegetables so if you have a garden you are trying to protect, this is your best bet.
Mix 2 oz per gallon of water for maintenance spraying; 4 oz per gallon when treating established populations.
When using Multipurpose Insect Killer or Vegetables Plus, a standard PUMP SPRAYER will be needed.
STRONGEST THRIP SPRAY ^
If you want the strongest thrip option available and don’t intend on treating plants to eat or plants which will produce fruits or vegetables, go with MAXXTHOR EC.
The following “short video” shows how to apply it using our HOSE END SPRAYER.
This concentrate will handle thrips well and a little bit goes a long way. 1 oz used in 5 gallons of water will cover up to 5,000 sq/ft.
Use a HOSE END SPRAYER to apply the Maxxthor. Using the power of your garden hose will enable you get fast and thorough coverage.
SYSTEMIC TREATMENTS FOR THRIPS ^
For non-fruit bearing trees and shrubs, using a systemic will provide long term control from just one application. For most regions in the United Stated, just one application per year will usually do the job when using the right option.
One of the best is PROTHOR SC. To protect your trees for the whole year, use .2 oz per inch of tree diameter. So for if your tree is 10″ wide, use 2 oz in 5 gallon bucket with 3-4 gallons of water. Pour the solution around the base of the tree, close to the trunk, making sure it soaks in. Punching a few holes in the ground can help get it down fast.
For shrubs, add 1/2 oz to a gallon of water and use the gallon on plants with a 4 foot wide base. For a bush just 2 feet wide, 1/2 gallon of the mixed solution will be enough.
The great thing about Prothor is treatments will last a long time. Generally you only need to apply them once a year. Now they do take some time to “grow into” the treated plants. So if you want to knock down the current activity, lightly spray the plants foliage where insects are active. Prothor can be used as a foliage spray too.
THRIP SPRAY FOR INSIDE THE HOME ^
Once thrips get established out in the yard, they may find their way inside the home. You’ll know this is happening when people start getting bit. And if you keep plants inside the home, thrips will many times start to nest in the soil of these plants and become a permanent resident. And once this happens, they live, breed and bite all year long.
So if you’re finding thrips inside, get the outside treated as explained above. But what about inside the home?
To kill adults flying around the home, use MULTIPURPOSE INSECT KILLER.
This aerosol contains permethrin as the active and is water based so it has no odor and won’t stain. Its perfect for treating the “air” as well as walls and ceilings.
The following “short video” (less than 60 seconds) summarizes why MultiPurpose is so good for use in the home.
As you can see in the video above, Multipurpose is well suite for use in the home
It can be safely applied anywhere in the home and used as often as is needed. Expect to treat at least once a day to maintain an active population if they’re breeding in the home.
But if the problem is ongoing and the Multipurpose has to be applied daily for several weeks, consider installing some AEROSOL MACHINES. These devices are small (about half the size of a cigar box), are powered by batteries and will work automatically around the clock.
The following “short video” (less than 60 seconds long) summarizes how they work.
Set one machine out for every 600 sq/ft of room you want to protect. They should be placed on a shelf or hung on the wall at least 6-8 feet high.
Inside the machine you’ll need to add a can of CLEAR ZONE. These cans will be releasing the same active in the Aquacide (pyrethrin) but since the machine will be doing this every 15 minutes, you’ll always have enough active ingredient working for you around the clock. This way the local thrip population will eventually be eradicated because hatching adults won’t be able to reach maturity.
One can will last 30-45 days and should be replaced when empty so the treatments can continue uninterrupted.
BEST THRIP SPRAY FOR MARIJUANA PLANTS ^
With the legalization of medicinal marijuana, we frequently get asked for “pot safe chemicals”. The most common pests found on marijuna are thrips, whiteflies, symphilids, fungus gnats and spider mites. No doubt marijuana plants will readily attract a wide range of insect pests and many of these can prove devastating to the growers crop. So are there products specifically for use on marijuana?
Not really. You see, since there are countless thousands of plants, it’s simply not possible to list them all on any one specimen label. And since legally growing marijuna is just a fledgling business, it will take some time before the products on the market start to list this plant specifically.
So at this time the “strongest” chemicals are limited to non edible plants like ornamentals. Since these do not yield edible fruit or vegetables, the actives used on them can be long lasting. Such products (live Avid), should NOT be used on marijuana.
But anything approved for organic gardening or labels which are ORMI certified can be considered. These products typically have a short life on the plant and if the active ingredient isn’t “lingering” with persistent residue or residual action, there is no chance of exposure to people consuming the harvest.
In fact, one way to determine if a product might be leaving a long lasting residue or residual is to check the label to learn the “days to harvest” value. If this number is 1 day or less, it means the chemical being applied is essentially gone in one day.
And if a spray has a “one day to harvest” value when used on edible fruits or vegetables, its safe enough for use on marijuana. An example of such a product is the MULTIPURPOSE INSECT KILLER 567 (also listed above). Multipurpose Insect Killer is actually a combination of Soap and Pyrethrin so it’s fast acting yet very safe. Treatments won’t leave any residual (they’re gone within a day of being applied). Of course, the obvious problem with this feature is that targeted pests can come back which in turn means you’ll no doubt have to spray more frequently. But this is the trade off when using a concentrate safe enough for use on an edible fruit or vegetable plant.
Thrips are a common pest that will readily infest many plants in and around the home. Though small and easy to crush with your fingers, thrips are a persistent and annoying insect. Help prevent getting them on any sensitive plant because once you get them they can cause a lot of damage to host vegetation as well as spread disease. By keeping this small but troublesome pest under control you will assuredly keep local plants protected and not enable them to get so populated that they start stinging people.
CONTACT US ^
Give us a call if you need further help. Our toll free is 1-800-877-7290 and we’re open Monday through Friday, 9:00 AM to 4:00 PM and on Saturday, 9:00 AM to 2:00 PM (Eastern Standard Time).
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