Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. For more information, visit https://extension.msu.edu. This product is highly toxic to bees exposed to direct treatment or residues on blooming crops/plants or weeds. Apply Preventive materials, however, should only be applied to specific areas that have a documented history of damaging populations. Apply during spring or early summer to kill grubs as they develop. Still, recent research indicates a risk to honey bees feeding on plants treated with imidacloprid. You can find my answer below. These are toxic to bees and other pollinators, and include neonicotinoids, pyrethroids, organophosphates, and others. Ft ; Nourishes other beneficial lawn organisms; Milky spore is like an organic grub killer. Furthermore, this effect lasts for 4 months. Dave Smitley, Michigan State University Extension, Department of Entomology - Do not apply where streams, lakes, ponds or water used by livestock or for domestic purposes may be contaminated. Shop Scotts GrubEx1 Season Long Grub Killer 14.35-lb Grub Killer in the Pesticides department at Lowe's.com. New GrubEx still unavaliable in NY. This is also true for lawns with trees that flower in the spring; the risk to bees can be avoided by applying the imidacloprid in the month of July, the optimum timing for grub control. A bigger concern lately is imidacloprid's effect on honeybees. Using Scotts® GrubEx®1 Season Long Grub Killer annually can also help control Japanese beetle infestations. Re: Grub-Ex new formula. The product’s effects lasts for up to four months. Reviewed on Oct 2, 2018 10 others also recommend for lawn Quick look BioAdvanced 700740M 700740S 24-Hr Grub Control, 10-Pounds. Choose granular formulations and water the material in quickly and sufficiently to move the insecticide out of the turf canopy and into the root zone. Safe for bees; Cons. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned. Apply I would recommend applying it before July 1 and watering it in immediately after application with a half-inch of irrigation. One application of this product can kill and prevent white grubs, including larvae of Japanese beetles, European chafers, Green June beetles, and more, for up to 4 months. Jean asks, “Are there any lawn treatments that are safe for birds?”Pesticides, can be highly toxic to birds, both by directly poisoning them and altering the ecosystem they depend on for survival. They not only help in the pollination of many crops but also enrich the biodiversity of any habitat by contributing their part to the ecosystem. The Scotts Company recommends treating each 1,000 square feet of lawn with 2.87 pounds of GrubEx once yearly. Grubs can be very damaging to lawns if the population is high, but there are now effective, safe-to-use products available that have low toxicities, fairly long residuals, and less adverse effects on beneficial insects. I would recommend applying it before July 1 and watering it in immediately after application with a half-inch of irrigation. One application of Scotts® GrubEx® 1 can kill and prevent grubs for up to 4 months. Applying it to your lawn is like targeting the grubs with a biological agent that causes disease. Although most lawns are not likely to have flowering plants in the summer, some low maintenance sites may have clover with flowers. The manufacturer promises to eliminate grub worms within 24 hours on the same 5000 square feet area for almost the same price. Although a lot of reviews I have read say to apply GrubEx in early July, I have applied it annually in mid-September, usually just before a soaking rain (to get it soaked down into the ground well before winter hits), and my lawn survives beautifully. Tips on how to do this are available in the Michigan State University Extension Smart Gardening tip sheets:  Mow high, mulch leaves, and smart watering. Julia Seitz. Also is this stuff poisonous to regular worms? Organocide Bee Safe Insect Killer is an OMRI Listed Insecticide and Miticide. This degradation is mostly abiotic. Prevent grubs from damaging your lawn with Scotts GrubEx1 Season Long Grub Killer. Nutrition has a major impact on individual bee and colony longevity. •Classified by EPA as a reduced risk pesticide – Not safe but safer than most synthetics. Recent research has shown that all of the insecticides used to control grubs in lawns are more consistent when the lawn is irrigated immediately after application. I noticed that at MSU, our little-leaf linden trees (Tilia cordata) are in full flower right now with lots of honey bees visiting them. The very reason we are here to convince you into choosing the bee-friendly pesticides is the conservation of the bees as they are great friends of gardeners and not their woes. GrubEx is not activated until it's watered in, and as soon as the lawn dries, it is safe for your family and pets. MorpheusPA Posts: 16001 Joined: March 5th, 2009, 7:32 pm Location: Zone 6 (Eastern PA) Grass Type: Elite KBG Lawn Size: 10000-20000 Level: Advanced. One application on the grass and its roots – compared to the original GrubEx – can kill up to 25% more grub types and listed insects which can cause extensive damage to lawns. Prevention & Maintenance Tips Applying a preventative grub control product in the spring or early summer will provide much better grub control than waiting until after the damage has occurred. Grubs are the small, white, worm-like larvae of some insects, particularly Japanese beetles, June beetles, and European chafer beetles. Although they usually will leave you alone if you don’t bother them, nests pose a hazard when built in play areas of the yard. Knowing the correct application is also essential in witnessing results. GrubEx 2 can be applied in combination with Scotts fertilizers at any time. •The live beneficial nematodeHeterorhabditis bacteriophorais very effective against soil- dwelling larvae of many species of beetles and flies. A bacterial insecticide that is consider safer than chemical pesticides, Bacillus thuringiensis, or Bt, targets specific pests and doesn’t harm beneficial predatory insects, bees, birds or wildlife. GrubEx is a material that tries to target the larval phase of various insects. If customers ask about the safety of standard neonicotinoid grub control products (imidacloprid, clothianidin and thiomethoxam) for honey bees and pollinators, you can tell them that if the lawn is mowed before the insecticide is applied that it will be safe for honey bees because no open flowers (flowering weeds) will be present when the lawn is treated. Best practices, however, dictate that preventive grub control should be used only if certain conditions are met. Untreated buffers should always be left around environmentally sensitive areas such as open bodies of water (e.g. Further complicating things is that GrubEx and some other grub-preventers are starting to use a different chemical (halofenozide) to control grubs. If you use imidacloprid, clothianidin or thiomethoxam, do not apply it when weeds are flowering because these insecticides will be absorbed into the nectar, and are lethal for bees. Ortho is located in Marysville, Ohio.They are a division of Scotts Miracle-Gro lawn products, founded in 1868 by Orlando McLean Scott. Michigan State University Extension programs and materials are open to all without regard to race, color, national origin, gender, gender identity, religion, age, height, weight, disability, political beliefs, sexual orientation, marital status, family status or veteran status. If some level of tolerance for grub damage exists and/or there is no record of previous grub damage, preventive control may not be warranted or necessary. Several organizations have published information with resources on specific plants that are attractive to bees. DO NOT apply this product or allow it to drift to blooming crops/plants or weeds if bees are foraging the treatment For example, if a residence has a history of grub damage to the back yard but no record of damage in the front, then the preventive material should only be applied to the back yard. Read more. Learn more about Scotts GrubEx at Amazon. GrubEX prevents damage by killing grubs while they are young. So, the best time to apply GrubEx is when the beetles sink into the soil to lay eggs during summer. Otherwise, great information! Mowing prior to making the application will avoid this problem by removing the flowers. This improved formula of Scotts popular GrubEx product can save your lawn from damage by killing grubs while they’re still young. Varroa is known to cause amplified levels of viruses. We want to give you all the information required to make an informed decision. I received this email question about grub control products safe for honey bees. Timing is a critical consideration when using a preventive approach for white grub control. Turfgrass does not produce nectar or pollen that bees consume. However, not all grub control methods are going to be safe for the family pet. Grubex! This is a naturally occurring insecticide that is safe to use around pets. It is important to note that commercial honeybee colonies are affected along with wild, native pollinator populations. This includes grub treatment options that are certified bee-safe, ensuring that you can remain confident in your eco-friendly reputation while the bees safely enjoy working in your yard. They not only help in the pollination of many crops but also enrich the biodiversity of any habitat by contributing their part to the ecosystem. Neonicotinoids are labeled for control of a range of insects, but the most common use pattern in turf care is as preventive materials for the control of white grubs (applications targeting grubs are typically made between mid-June and late July in the Northeast). Monsanto convinced everyone that it was practically safe enough to drink, but now there is research out of MIT and others that document serious health concerns for human. Weeds that flower again after mowing will not have the chemical directly on the flowers and are much safer for the bees. Neonicotinoids for grub control, therefore, must only be applied within the period from approximately mid-June to early August in most years. Concerning the role of pesticides, neonicotionoid insecticides such as imidacloprid, clothianidin and thiamethoxam have been implicated as a potential contributing factor to honeybee decline. honey bees, and is closely associated with overwintering colony declines. Chlorothalonil (Bravo, Echo) Tentatively associated with “entombed pollen”. Overview. We do not have many options for alternative products. One application on the grass and its roots – compared to the original GrubEx – can kill up to 25% more grub types and listed insects which can cause extensive damage to lawns. Another alternative to nicotinoid insecticides is to grow a lawn with a dense root system that is tolerant of grubs. Myclobutanil (Rally, Sonoma) No impact on bumble bees. This improved formula of Scotts popular GrubEx product can save your lawn from damage by killing grubs while they’re still young. Reply . One option may be chlorantraniliprole (Acelepryn or GrubEx), classified by EPA as a reduced risk pesticide. Now that I have your attention, is there something that can be a quick fix for preserving some of a person's lawn?this is a client who wants her lawn/yard to look nice but is also willing to try to move toward a more sustainable way of doing things. April 10, 2012 | By Mr Grass, Updated June 24, 2019. For example, Scotts warns that the iron contained in Scotts Turf Builder may stain your walkways or driveway, so you may want to keep your pet from tracking through the fertilizer until it has been properly absorbed. Some are black, blue, brown, white and orange, yellow, and probably mixes of any listed above. A single application can stop and prevent grubs all season long. Preventive white grub control is on the minds of many turf managers in the spring. Shop Scotts GrubEx1 Season Long Grub Killer 28.85-lb Grub Killer in the Pesticides department at Lowe's.com. This pesticide has an improved killing power of 25% versus the old GrubEx formula. The moment an egg starts to hatch; GrubEx kills the growing larvae to stop them from turning into grown-up insects. Prevent grubs from damaging your lawn with Scotts GrubEx1 Season Long Grub Killer. One application can last for as long as four months. Consider alternatives to pesticides first. The life cycles of the various grub species found in New England are relatively similar: adults fly in early summer and lay eggs in late June to late July; larvae feed on turf roots from early July through mid-autumn and again in the spring; pupae are present in the soil for a week in mid-June to mid-July; and adults emerge early the following summer to complete the cycle. One dosage of sprinkling these granules in your lawn or garden can result in a “grub free” land for a period up to 3 to 4 months. We usually recommend Merit (imidacloprid) with fertilizer to our customers this time of year, but with recent stories about the bees, would like to maybe offer another product. This will quickly grow out of control if left alone to develop. The bacterial disease European foulbrood is being detected more often in the U.S. and may be linked to colony loss. This saves budget, time and labor resources while at the same time reducing unnecessary application and possible adverse impact to non-target organisms and the environment. Kills 25% more grub types vs. original GrubEx Scotts products are designed to work with Scotts spreaders $19.92. Multiple virus species have been associated with CCD. Do not apply neonicotinoids to turf when commonly associated forage plants, such as clover, are in bloom. Product worked well on my lawn and helped strengthen my lawn. The manufacturer promises to eliminate grub worms within 24 hours on the same 5000 square feet area for almost the same price. Protecting honey bees by using alternative grub control controls and smart gardening. TOXIC TO BEES AND OTHER BENEFICIAL INSECTS. According to a University of New Hampshire publication on milky spore disease, there are more reasons … 72357 GrubEx Pro (2.5g)(228-485) BK 1/17/14 12:26 PM Page 2. Avoid spraying when bees are foraging. Am I using the correct approach? Bees and butterflies may consume it that way. These active ingredients can be toxic to bees if the bees visit flowers that were recently sprayed. This can be done without the use of any insecticide. If using liquid formulations, spray under calm conditions to reduce the potential for drift. It is recommended for use in the spring or early summer as the preventer will avert the damage before the grubs hatch. Chlorantraniliprole (Acelepryn® & GrubEx ®) •Very good grub control. GrubEx with the active ingredient chlorantraniliprole is used for preventive soil treatment. Results of toxicology work with chlorantraniliprole concluded it is a low risk to honey bees. How Quickly Does GrubEx Work? If imidacloprid was applied after they are done flowering, it should not pose a risk to the bees. Is Scotts EZ Seed safe for dogs? Disclaimer - The most reliable information was included that was available at time this information was compiled. 2) Infestations will start small and rapidly grow. April 10, 2012 | By Mr Grass, Updated June 24, 2019. If AGB is the target insect, then a non-neonicotinoid material must be selected for acceptable control. OMRI-listed. Kills insects, prevents plant diseases. But, it does not harm any other insects, such as bees, wasps, earthworms, and other wildlife. An important aspect of using chlorantraniliprole is to account for the fact that it takes 60 to 90 days to fully dissipate in the soil for optimum effectiveness against grubs. It will stop Japanese beetles from laying eggs, thereby stopping your grub problem. My lawn care provider has offered to apply a grub-control product. Avoid grass mixes with weak roots like Kentucky Blue Grass. Those sites should be avoided as well as lawns with trees that flower in the summer. While we have good evidence for declines in honey bees and some of their cousins, the bumble bees, the cause of this decline is hard to pinpoint. If you have a nest or two, expect to have several more in the next year. Results of toxicology work with chlorantraniliprole concluded it is a low risk to honey bees. •If released into water, chlorantraniliprole is MSU is an affirmative-action, equal-opportunity employer, committed to achieving excellence through a diverse workforce and inclusive culture that encourages all people to reach their full potential. Merit 0.5 Granular Systemic Insect Control. But it also kills bees. A single application can stop and prevent grubs all season long. Neem oil (Trilogy) Must be ingested to be toxic. The Sevin Insect Killer Lawn Granules are known to effectively kill more than 100 known fleas, ticks, ants, pests, insects and grubs. This is a very good question. Safe for bees; Cons. Scotts Grub Ex Grub Killer and Preventer. Eliminate grubs in the fall before it gets cold with the best grub killer strategies. So, can only imagine this will not have the effectiveness I was hoping for, let alone is leaving me lawn as "safe" as I had planned with un-dissolved pellets hanging around. This might mean applying either earlier or later in the preventive window for grubs, depending upon prevailing conditions. Priced at $42.99, only one application of the product is enough for killing grubs and preventing any more for at least 4 months. Grubs can be real pests in the yard. Reasons to Wait . Bee-safe chemical to kill grubs. Garden Safe HG-93179 Neem Oil Extract This longer-term solution is formulated with neem oil extract obtained from the so-named tree. ©2021 University of Massachusetts Amherst • Site Policies, Coronavirus (COVID-19) Response & Resources, Information About Accessing Research Funds, Soil and Plant Nutrient Testing Laboratory, Crop and Animal Research and Education Farm in South Deerfield, Equine and Livestock Research and Education Farm in Hadley, https://www.usda.gov/media/press-releases/2013/05/02/usda-and-epa-release-new-report-honey-bee-health, https://www.usda.gov/sites/default/files/documents/ReportHoneyBeeHealth.pdf, Protecting Bees and Pollinators from Pesticides in Home Gardens and Landscapes, Center for Agriculture, Food, and the Environment, Center for Agriculture, Food and the Environment. *After much research, we have settled on Scott's Grubex. June 27, 2013. A single application can stop and prevent grubs all season long. An annual application is recommended. Current theories on the honeybee decline phenomenon point to a factor or combination of factors among parasites, disease, low genetic diversity, poor nutrition, loss of habitat, management stress and pesticide use. A single pack will be sufficient to treat an area of 5000 square feet. Because of recent research showing that when honey bees ingest small amounts of imidacloprid they may have difficulty navigating back to the hive, some farmers and homeowners that want to protect honey bees and native bees are looking for alternative products. Normally I dont use any poisons of any kind on my lawn. Use chlorantraniliprole (Acelepryn or GrubEx), which is not harmful for pollinators. This site is maintained by Center for Agriculture, Food and the Environment in the College of Natural Sciences. However, some flowering weeds like clover may be visited by bees. Therefore, preventive grub control insecticides (applied before damage occurs) are commonly used in situations where user expectations will not permit turf damage from white grub feeding or associated damage from foraging animals or birds. How can I minimize potential bee impact when applying? These bees come in all sizes and colors. They claim its more effective and you use less. To contact an expert in your area, visit https://extension.msu.edu/experts, or call 888-MSUE4MI (888-678-3464). For use in organic gardening on vegetables, fruits, nuts, vine crops, herbs, ornamentals, greenhouse crops, turfgrass, landscape plants, bulbs, flowers and field crops. Which products are safe for bees? Including all the most common types of white grubs you’ll find in your garden, such as Japanese beetle and Asiatic garden beetle. So timing is not as critical as it used to be with the traditional grub products. The pesticide user is always responsible for the effects of pesticide residues on their own crops, as well as problems caused by drift from their property to other properties or crops. Up to 7 day ERT for mason bees. I am trying to get rid of a mole the most humane was possible. With a 10 oz box, you can cover as much as 2500 sq. Digger bees tend to look more like common bumble bees, but can look like a yellow jacket, a honey bee or certain types of flies. Apply preventive grub control only to turf areas and not to ornamentals, flower beds or gardens. Find the best price. Like chlorantraniliprole or imidaclo - prid, the Btgproduct will need to be in - corporated with rainfall to be ingested by newly hatched white grub larvae. This article was published by Michigan State University Extension. Scotts GrubEx is an improved formula designed to kill and prevent certain grub types from causing extensive damage to your lawn all season. The mixing of pollen oils into honeycomb wax turns the white wax into a yellow or brown color. (Altacore, Coragen, Grubex) No impact on bumble bees. 19. 5 out of 5 stars Verified Purchase. Expensive; The Scotts GrubEx1 will be your try and true method to protect your lawn from vole damage over the winter. Existing biological control products, however, should only be used where expectations permit as performance is often inconsistent compared to chemical options. Great Product. Overview. Scotts 99610 EMW7238926 GrubEx-Grub Killer and Preventer-10,000 sq ft-Kills White, 10 M. by Scotts 4.3 313 $30.19 $ 30. Paenibacillus popilliae ('milky spore') and various strains of entomopathogenic nematodes are labeled for white grub control and have no known impact against bees. Bees are responsible for the pollination of a wide range of agricultural crops each growing season; crops valued in the billions of dollars that are critical to the stability of our food system. It is very safe and a great broad spectrum. It is advertised for Japanese Beetles, but works for other grubs as well. The product should be safe for bees, yet has activity against several other beetles, including managing emerald ash borer adults as they feed on ash leaves prior to laying eggs. A disturbing trend observed the last several years is the rapid and dramatic decline of honeybee populations. This information is for educational purposes only. Maybe this is just the Scotts bean counters mucking things up. Now, you are well aware of the right time to take any action and remove grubs from your garden or lawn. For grub control in turfgrass, chlorantraniliprole should be applied about a month earlier, in May or June. Current biologicals also vary considerably in terms of their availability, cost and effectiveness against specific white grub species. For use in organic gardening on vegetables, fruits, nuts, vine crops, herbs, ornamentals, greenhouse crops, turfgrass, landscape plants, bulbs, flowers and field crops. There are lots of pesticides (Milky Spore) which will kill grubs, but one big problem with them is they kill beneficial insects as well. PROBLEMS WITH DIGGER BEES ^ 1) Most people fear their presence. The product is also reviewed … Public and private interests are currently scrambling to identify the mechanics of this pressing issue, commonly referred to as honeybee decline or colony collapse disorder (CCD). GrubEx is not activated until it’s watered in, and as soon as the lawn dries, it is safe for your family and pets. It has been proven to kills the eggs, larvae, nymphs and adults, of over 25 small soft bodied insects, scale and mites as labeled. It is very important that you always follow label guidelines with whatever product you choose to apply, including when you apply grub killers to new lawns.Label guidelines will tell you all of the information that you need to know relative to rates, timing, and target species. S. Ianiro May 16, 2018 at 5:57 pm. It is safe for pollinators and vertebrates (read: bees, butterflies, birds, pets, wildlife, and humans), and is extremely effective in controlling the infestation. Strongly consider applying in the evening, at night, or early in the morning to further reduce the potential for contact with foraging bees. Dr. Smitley, Could you provide the names of grub control products that are not considered neonicotinoids? Chlorantraniliprole (Acelepryn TM for commercial applicators, GrubEx TM for homeowners) is a non-neonicotinoid insecticide that is extremely effective against all white grub species (as well as caterpillars) and has no activity against bees, ants, or wasps. If homeowners set their mowers at the highest setting (clips turf at 3 to 4 inches in height), return their grass clippings to the lawn instead of collecting them, chop tree leaves into the lawn instead of raking, fertilize modestly, and water during dry periods, they will build a dense turf resistant to grubs. UMass Research and Education Center Farms, Conservation Assessment Prioritization System (CAPS), Extension Risk Management/Crop Insurance Education, North American Aquatic Connectivity Collaborative, Civil Rights and Non-Discrimination Information. If you must spray, choose a biorational chemical (safer to beneficial insects) and spray in the early evening when pollinators are less active. Apply The very reason we are here to convince you into choosing the bee-friendly pesticides is the conservation of the bees as they are great friends of gardeners and not their woes. Chlorantraniliprole (AceleprynTM for commercial applicators, GrubExTM for homeowners) is a non-neonicotinoid insecticide that is extremely effective against all white grub species (as well as caterpillars) and has no activity against bees, ants, or wasps. Additional information: Protecting Bees and Pollinators from Pesticides in Home Gardens and Landscapes. Lately, you know that bees consume to making the application will avoid this problem by the. Turning into grown-up insects of control if left alone to develop stop grubs before they damage your lawn e.g.: ag.umass.edu/coronavirus damage based on previous scouting at the site, visit https: //extension.msu.edu/newsletters, brown,,. & commercial turf Management Certificate Program methods and our grub worm Killer to prevent damage in early! To bees if the birds eat the grubs with a half-inch of irrigation next year ® ) •Very good control... Vs. original GrubEx Scotts products are designed to kill and prevent grubs Season. 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