It contains only lambda-cyhalothrin or gamma-cyhalothrin. Bayer Grub Control vs. Grub Killer Plus. There is one insecticide product in a different chemical class that will give a similar level of grub control: chlorantraniliprole (Acelepryn). It is best to apply the nematodes when grubs are present and when the soil temperature is above 50 degrees Fahrenheit. The milky spore pathogen may not be as virulent to Japanese grubs now as it was in the 1940s during the. These products are used to prevent future grub problems, not to control the grubs present in the lawn in the spring. Visit the Gardening in Michigan website to find a series of Smart Gardening bulletins that include one on fertilizer basics and mowing high for grub and weed control. A half-inch of irrigation is when lawn sprinklers are run until a container like a coffee mug, or several mugs, fills to a level 0.5 inches up from the bottom of the cup. More research is needed on this, but it could cause problems for native bees or have long-term health effects on honey bees or bumble bees. In 2002, they were only found in New York, Pennsylvania, Massachusetts, Delaware, New Jersey, Connecticut, New Hampshire, Vermont, Maryland, Southern Michigan, and eastern Ohio. Redmond and D.A. This is not true. Lack of efficacy of in-vivo and putatively in-vitro produced Paenibacillus popilliae against field populations of Japanese beetle (Coleoptera: Scarabaeidae) grubs in Kentucky. Dylox 6.2 works by both contact and ingestion. If applied in early spring, the pesticide may move through the soil or partially degrade by the time the grubs hatch in late July. GrubEx with the active ingredient chlorantraniliprole is used for preventive soil treatment. & grubGONE! If you have treated for several years and you do not see evidence of grubs in your lawn or in the neighbor’s lawn, it may be time to stop treating. DYLOX 420 SL Turf and Ornamental Insecticide is a soluble concentrate, which dissolves readily in water and is suitable for use in all power-operated ground sprayers. However, for low-maintenance lawns, even if the turf is not killed from grub feeding, the thinned and weakened turf may be prone to weeds and drought stress. One trichlorfon product has “24 Hour Grub Control” in its name and would seem to indicate that it will kill grubs in 24 hours. There are many products available, some with the same active ingredients. Kills on contact: active ingredient Dylox kills grubs on contact. Preventive products are the most effective. Consider carefully whether it would be best to wait and apply a preventive later. This information is for educational purposes only. Chemical Action and Usages: Dylox is an organophosphate insecticide in a granular form for use on lawns to control mole crickets, sod webworms, cutworms, grubs and other listed insects in turf. Prevent grubs from damaging your lawn with Scotts GrubEx1 Season Long Grub Killer. There are different recommended timings for application depending on the active ingredient. These all look similar and feed on the tender roots of turf. Annual bluegrass weevils (larvae and adult), armyworms, chinch bugs, cutworms, sod webworms, white grubs. If you see a dead patch, use a shovel to dig up a few Frisbee-size samples of turf around the bare spot to a depth of 2 inches and look for 0.75-inch long, C-shaped white grubs. vs. PLUS insect killer: also kills ants, ticks, bill bugs, chinch bugs, crickets, cutworms, earwigs, grasshoppers, and more. Jeffrey W. Dwyer, Director, MSU Extension, East Lansing, MI 48824. When watered properly, this product can even penetrate … Now it has spread throughout Ohio, Michigan (all of the Lower and half of the Upper Peninsula), northern Indiana and into eastern Illinois. Carefully check the label for ingredients. Protecting bees and other pollinators. Regionally, European chafers are a much bigger problem than they used to be. The product’s effects lasts for up to four months. To have a digest of information delivered straight to your email inbox, visit https://extension.msu.edu/newsletters. Sometimes the best offense is the best defense. Before doing anything, it is important to make sure the problem is grubs. Check out the MSU Turfgrass Management - Golf Course Certificate Program! Research tests over the last 25 years have clearly shown that watering immediately after application helps to obtain good results. Be sure the problem is grubs. … The second major concern is to make sure the insecticide is thoroughly watered into the ground with at least a half-inch of irrigation or rain immediately after the chemical is applied. Finding one or two grubs does not indicate you need to apply a grub control product. Current research also shows that watering with 0.5 inches of irrigation immediately after the application is essential to get effective results from these insecticides. If you confirmed grub damage the previous fall or spring, meaning you found lots of grubs, then you may want to use a preventive insecticide for one or two years to build a more dense turf that will be tolerant of grubs. They are preventive products that work very well on newly hatched grubs present in July, but do not work well for large grubs found from September to May. The nematodes may not kill as many grubs as the standard insecticide products, but they persist a long time and may even infect grubs for several years after they are applied. Be sure the problem is grubs. Finally, avoid spray drift or granular spreader drift to flower beds when applying thiamethoxam, imidacloprid, clothianidin or any insecticide for grubs other than chlorantraniliprole. Check out the MSU Sports & Commercial Turf Management Certificate Program! If the need should arise to use a curative compound, make sure to keep the infested lawn watered and fertilized and treat the area again with a preventive application the next summer or the problem will likely reoccur in the fall or the following spring. Weeds that flower again after mowing are much safer than weed flowers that were sprayed directly with insecticide, but some of the insecticide is absorbed by the roots and will move into the pollen and nectar. Prevents lawn damage: use … Homeowners who have just planted some new grass to fill in spots in an existing lawn that have been damaged by grubs may wonder how long they must wait till they can safely put down a grub killer, such as GrubEx… By the time I did further research and bought the BioAdvanced Grub Killer (due to having Use Scotts GrubEx annually … Japanese beetle grubs also feed on turf roots in home lawns, but they are not usually as much of a problem on home lawns as European chafers can be. A single application of Scotts GrubEx stops A single application of Scotts GrubEx stops grubs all season long. To have a digest of information delivered straight to your email inbox, visit https://extension.msu.edu/newsletters. Curatives are used in the spring to target adult grubs. Both compounds work equally well on Japanese beetle grubs. Do not use preventive compounds such as clothianidin, thiamethoxam or imidacloprid now. This article was published by Michigan State University Extension. May 22, 2020. There are several products on the market that contain a combination of one of the preventive compounds and one of the above listed insecticides that “do not work on grubs.” The preventive ingredient will make it an effective choice for grub control. However, if the grub population is high or if there is a history of damage in an area, it may be necessary to consider using an insecticide for grub control. Dylox … I … In the last 10 years, the amount of European chafer damage to home lawns in southern Michigan has steadily decreased to the point where it is unusual now to find populations high enough to damage turf. Active … *What is 0.5 inches of irrigation? Scotts GrubEx Grub Killer and Preventer . Always wear rubber gloves and rubber boots when applying insecticides to turfgrass. Potter. Jeffrey W. Dwyer, Director, MSU Extension, East Lansing, MI 48824. Make a regular practice of mowing your yard with the mower on the highest setting (3.5-4 inches). Below is a short list of products now being sold for grub control as of May 22, 2020, in stores checked in the Mid-Michigan area. Look on the Internet for ‘Heteromask,’ ‘Nemasys G’ or Buglogical Control Systems. Check out all the Grubs and insects controlled by these 2 products. In Canada, it is a problem in Ontario and Vancouver, so Washington State is on the lookout for it also. 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. To contact an expert in your area, visit https://extension.msu.edu/experts, or call 888-MSUE4MI (888-678-3464). Japanese beetles like to lay their eggs on irrigated turf like golf courses, athletic fields and highly maintained lawns. Healthy turf with a few grubs may not need an insecticide. Grub damage may appear in home lawns from mid-September to November or from March to early May. Do not use products containing ONLY lambda-cyhalothrin, gamma-cyhalothrin, bifenthrin, deltamethrin, cyfluthrin or permethrin for grub control. These products do not work as well (maybe 50 percent control) as standard products applied in spring or summer to prevent grub damage the next fall and spring. Is the grub population here in northern Michigan likely to be other than from the Japanese beetle? So, if you need to apply the preventive insecticide BEFORE the grubs are there, how do you know if you need to use an insecticide or not? European chafers are generally found in drier turf and their population levels will fluctuate depending upon how wet or dry the weather was the previous summer. This chemical consistently reduced grub numbers by about 65-80% and research has shown that applications made before June are more efficacious than June or July application. The two most common are carbaryl, which is Sevin and trichlorfon, which is Dylox. European chafers can devastate a lawn with little warning because the adult beetles fly at dusk when they emerge in June and early July, and can easily be overlooked because their evening flight to mate and lay eggs occurs after sunset. Redmond, C.T. Our research has indicated that carbaryl has been a little more effective on European chafer grubs than trichlorfon. You can measure how much irrigation is applied by putting out several coffee cups in your lawn and run the irrigation until they fill to a half-inch level above the bottom. It is … Potter. The larvae of both species look almost identical. 1995. Our research indicates they will kill 20-80% of grubs when applied in September or 20-55% when applied in late October. Our customers are looking for alternatives to the chemical options (especially with the publicity concerning honeybees) and I am hoping to help them find some. For quick kill now, Dylox (trichlorfon) is considered most effective with Sevin (carbaryl) as second. Dylox (Active ingredient: Trichlorfon) Widely used by professionals, Dylox kills grubs after they are in their third instar. The active ingredients are usually shown on the bottom right or left of the front of the bag and listed as a percent of composition. This information is for educational purposes only. In addition, grub control products that contain the active ingredient chlorantraniliprole are safe for bees, even when weed flowers are sprayed. Both come in a ready to use granular formular that can be put out with a hand or push … The outbreak phase where turf damage is common may last five to 10 years. Check the bag or bottle to determine what active ingredient the product contains. However, as European chafers and Japanese beetles have spread northward, lawns and other low maintenance turf areas in much of the Lower Peninsula north of Lansing and in the eastern half of the Upper Peninsula are seeing more damage. To kill grubs in the spring or fall, use carbaryl or trichlorfon. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned. Scotts GrubEx vs Bayer Grub Killer Plus. Proper fertilization is important to prevent and allow the lawn to recover from grub damage. I found five to nine different products at each store. 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. We have had questions from our customers at our garden center here in Petoskey about the Milky Spore granular product by St. Gabriel Laboratories and I am having a hard time getting the facts. To contact an expert in your area, visit https://extension.msu.edu/experts, or call 888-MSUE4MI (888-678-3464). The profusion of different products can be rather mystifying. You can do this by following Michigan State University Extension’s recommendations of setting your lawn mower at the highest clipping height (3-4 inches); applying at least 2.5 pounds of actual N per 1,000 square feet of lawn per year using a slow-release fertilizer several times each year; watering during dry periods; and returning grass clippings and chopped leaves to the lawn instead of collecting and removing them. A third concern is the rate at which the insecticide is applied. However, when applied in June or July they provide excellent protection against the next generation of grubs. I received this email question about alternative grub control insecticides. J. Econ. Use specified dosage of DYLOX 420 SL … The bacterium in this product will only infect Japanese beetles and not any other species of grubs, while the most damaging grub to Michigan lawns is the European chafer. There is a widely sold trade name called Triazicide from Spectrum that lists grubs on the label and states it will control insects above or below ground and has a picture of a grub on the front of the bag. Granular vs Liquid Grub Killer; Grub killer vs grub preventer; ... GrubEx is made using the active ingredient called chlorantraniliprole. Alternatives: Synthetic Chemical Inhibitors - Preventative Curative Control •Organophosphates - Dylox® (Bayer has voluntarily canceled its production of most products containing the chemical), Diazinon® (off residential market) and ... (Acelepryn® & GrubEx … Both Bayer Advanced Grub Control and Bayer Advanced Grub Killer Plus are marketed to those battling with turf-destroying white grubs. Also, irrigate your lawn immediately before and after applying the nematodes so as many as possible will make it into the soil. They are not as effective as the preventive compounds in reducing grub numbers. beetleGONE! Do not apply any curative compounds in the spring after May 15 as grubs stop feeding in late May as they prepare to pupate. You don’t have to wait until your lawn becomes infested with grubs before you apply a grub killer, you can always use a… Although the bag often says apply anytime from May to Aug. 15, it is highly recommended that products containing imidacloprid, thiamethoxam, clothianidin be applied and irrigated into the soil in June or July. Two different types of chemicals are used at different times of the year for different targets, preventives and curatives. You can find my answer below. Wisconsin, Minnesota and Iowa have now joined the club of Midwest states with lots of Japanese beetles, and they have been found in isolated locations as far west as Colorado. Our results so far agree with the results of a test conducted a number of years ago in Kentucky by C.T. Have there been any studies done on its effectiveness? Products containing imidacloprid, thiamethoxam, clothianidin or chlorantraniloprole will not control grubs in the spring. The main ingredient is dylox … Apply chlorantraniliprole early (in April or May) for summer and fall grub control. Several species of beetle larvae are categorized as white grubs. As a professional lawn care service we get a lot of questions about lawn maintenance. Reference to commercial products or trade names does not imply endorsement by MSU Extension or bias against those not mentioned. Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. Presently, trichlorfon (Dylox or Bayer 24-Hour Grub Control) and Sevin are the fastest-acting, most effective homeowner insecticides for curative grub control. Mowing prior to making the application will avoid this problem by removing the flowers. 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. The eggs of both species hatch about 10 days after they are laid. Time for me to put down my grub control but in the process I found out some key important information. Chlorantraniliprole can be applied as early as April and up to mid-July. This material is based upon work supported by the USDA and the National Institute of Food and Agriculture award number(s) 2014-70006-22498. A lawn should be mowed at 3 to 4 inches in height and properly fertilized for maximum root growth. Dylox 6.2 Granular Insecticide Pests Controlled. They are short-lived compounds that kill all life stages of grubs. This is a highly effective systemic insecticide that kills the target pests by both contact and ingestion. Check for the active ingredient in a grub product. By the end of October, they are fully grown. For more detailed information, on this go to the Michigan State University Turf website and see the grub control bulletin posted there. To activate Dylox you must immediately water the product into the soil with at least 1/2 to 1 inch of water. These products work well for above-ground feeding insects that live on the grass leaves or soil surface, but not for insects that feed on the roots. As with the preventive products, lawns should be mowed immediately before applying carbaryl or trichlorfon to protect bees. The first two are Heterorhabditis nematode products and the third a business that sells Heterorhabditis nematodes. According to Cornell University, the milky spore organism, Paenibacillus popilliae, was the focus of a huge Japanese beetle biocontrol program 60 to 70 years ago, with over 100 tons of spore powder distributed throughout Pennsylvania, Ohio and surrounding states where Japanese beetle occurred at the time. The best alternative strategy to avoid grub damage is to improve your turf management practices to establish a dense root system in your lawn. An online search indicates there are other products that will be available at other stores. Bayer Advanced Season-Long Grub Control (or Bayer Advanced Merit) - Granular, Bayer Advanced Season-Long Grub Control and Turf Revitalizer - Granular, Premium Grub Control (Do not confuse with “Premium Insect Control”), Bayer Advanced Complete Insect Killer Liquid attach-to-hose-bottle, Bayer Advanced Complete Insect Killer Granules - Granular, Bayer Advanced 24 hr Grub Killer Plus - Granular, Spectracide Triazicide Insect Killer for Lawns - Granular. Here’s how to choose and use the right one for your lawn. The 4-H Name and Emblem have special protections from Congress, protected by code 18 USC 707. setting your lawn mower at the highest clipping height, returning grass clippings and chopped leaves to the lawn. Water the lawn immediately after applying the insecticide. Some of these products come in a granular formulation that is applied with a fertilizer spreader or some products are designed to be mixed with water and sprayed. However, Japanese beetles could become common in Petoskey over the next 10 years. These are most likely the larvae of European chafers if they are found in lawns without an irrigation system. There are also products for sale that list grubs on the label that do NOT work for grubs. The 4-H Name and Emblem have special protections from Congress, protected by code 18 USC 707. mowing your yard with the mower on the highest setting. It was considered to be a successful effort because populations of Japanese beetle decreased 10-fold or more at most sites within five years of when the spore powder was distributed. It rescues and protects lawns and turf from grubs and certain other insects that feed on them. At one garden center a clerk showed us two products, one containing only permethrin and one containing only bifenthrin, when we asked for products to control grubs. I went to the garden store and picked up some bayer 24 hour grub killer plus with dylox. Michael WillsonWillson's Garden CenterPetoskey, MI 49770. April 1, 2014. Make sure to irrigate the lawn with at least. European chafer grubs may be found in all locations in Michigan’s Lower Peninsula and in much of the Upper Peninsula. It kills about 50 … How Late Can I Put Down Grub Control? They can be abundant in non-irrigated home lawns if we receive frequent rain in July, but are scarce in lawns that are very dry in July and early August. In fact, most well-maintained lawns do not have visible damage from grubs. Not all the grub control products on store shelves will be effective this spring. Before discussing alternative management strategies for grubs, it is important to understand that if grubs and turf damage are discovered in April, the only insecticides that will be effective in April are carbaryl (Sevin) and trichlorfon (Dylox). ... GrubEx or Dylox… Make sure they are alive when you when get them. They will not work on grubs found in the lawn from the middle of October through the middle of May. By the time damage is … and D.A. Use the right rate/amount of product. After irrigation or rainfall, grub control is established in as little as 24 hours and penetrates thatch up to ½ inch thick. The grubs feed from the beginning of August until late October. There are no scientific studies conducted at any university that I know of where the Milky Spore product that is now available provided adequate grub control. Chlorantraniliprole applied in April will not work on spring grubs that are already present when it is applied. Store insecticide products in a locked cabinet not accessible to children. Preventive controls include the neonicotinoids and chlorantraniliprole, but the timing for each approach is very different.The label directions for most neonicotinoids (products containing chlothianidin, imidacloprid, or thiamethoxam) indicate they should be applied \"when females are laying eggs\". If applied too late, preventative products may not be effective as they work best on small grubs. Products containing only these ingredients will not work for grub control because the active ingredient binds with organic material and will not move down to where the grubs are feeding. Entomol. Unfortunately, there are not any biological control products that you can purchase at the garden center that will give the same level of control as the standard insecticide products. There is an erroneous philosophy being perpetuated that because we have European chafers and Japanese beetles in the area, it is necessary to treat every year or your lawn will be damaged by grubs. MSU is an affirmative-action, equal-opportunity employer. It kills 25% more grub types vs. original GrubEx. This article was published by Michigan State University Extension. The critical issue with any grub control product is the active ingredient. The product’s effects lasts for up to four months. Different recommended timings for application depending on the label printed on the label lists the legal rate at the! Problem by removing the flowers Granular vs Liquid grub Killer vs grub preventer...! It is important to prevent future grub problems, not to control in... This article was published by Michigan State University Extension days after they are alive when when! Killer ; grub Killer Plus feeding insects on lawns, landscape and recreational turf, as! To early may that kills the target pests by both contact and ingestion National Institute of Food and award. Alternative grub control insecticides any curative compounds in the last two years several products have available... 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