May 22, 2020. In addition, grub control products that contain the active ingredient chlorantraniliprole are safe for bees, even when weed flowers are sprayed. Look on the Internet for ‘Heteromask,’ ‘Nemasys G’ or Buglogical Control Systems. This information is for educational purposes only. To contact an expert in your area, visit https://extension.msu.edu/experts, or call 888-MSUE4MI (888-678-3464). 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. Use them in June or July to control grubs that would be damaging turf in the fall. Alternatives: Synthetic Chemical Inhibitors - Preventative Curative Control â¢Organophosphates - Dylox® (Bayer has voluntarily canceled its production of most products containing the chemical), Diazinon® (off residential market) and ... (Acelepryn® & GrubEx â¦ Finding one or two grubs does not indicate you need to apply a grub control product. PLUS insect killer: also kills ants, ticks, bill bugs, chinch bugs, crickets, cutworms, earwigs, grasshoppers, and more. They will not work on grubs found in the lawn from the middle of October through the middle of May. To have a digest of information delivered straight to your email inbox, visit https://extension.msu.edu/newsletters. Grub Sprays vs. Granules. Presently, trichlorfon (Dylox or Bayer 24-Hour Grub Control) and Sevin are the fastest-acting, most effective homeowner insecticides for curative grub control. Proper fertilization is important to prevent and allow the lawn to recover from grub damage. vs. Do not use products containing ONLY lambda-cyhalothrin, gamma-cyhalothrin, bifenthrin, deltamethrin, cyfluthrin or permethrin for any phase of grub control. Dylox (Active ingredient: Trichlorfon) Widely used by professionals, Dylox kills grubs after they are in their third instar. They spend the winter as large grubs (0.75 inches long) some 2-6 inches below the soil surface. and D.A. Make a regular practice of mowing your yard with the mower on the highest setting (3.5-4 inches). GrubEx with the active ingredient chlorantraniliprole is used for preventive soil treatment. This is not true. Unfortunately, the Milky Spore product you asked about did not provide any grub control in the first year of a test we are conducting at Old Channel Trail Golf Course near Ludington, Mich. We plan to continue this test for two more years. 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. Make sure they are alive when you when get them. Be sure the problem is grubs. 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. Use Scotts GrubEx annually â¦ Also, in the last two years several products have become available in an attach-to-hose bottle and are automatically mixed with water when applied. In the last 10 years, the amount of European chafer damage to home lawns in â¦ These two insecticides are the only options if high numbers of grubs are found in the fall and in spring before early May. Both come in a ready to use granular formular that can be put out with a hand or push â¦ 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. 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. By the time damage is â¦ 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\". Both compounds work equally well on Japanese beetle grubs. 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. I went to several of the local lawn and garden centers in the Lansing, Michigan, area to see what kinds of products are available that specifically claim they will work to control grubs. There is little benefit to exceeding this rate, and doing so is also illegal. Before doing anything, it is important to make sure the problem is grubs. Kills on contact: active ingredient Dylox kills grubs on contact. 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). It is â¦ Potter. A third concern is the rate at which the insecticide is applied. Dylox 420 SL Insecticide treats surface feeding insects on lawns, landscape and recreational turf, such as golf courses. Check out the MSU Turfgrass Management - Golf Course Certificate Program! Insecticides used for grubs can be separated into two groups based on how they work: preventive chemicals and curative chemicals. It is important to realize that healthy turf, supported by frequent rain or irrigation, can support a grub population of five or more grubs per square foot with no visible turf damage. If there is nothing flowering in the lawn, there is nothing in it that would attract bees. This is a highly effective systemic insecticide that kills the target pests by both contact and ingestion. When the ground warms up in spring, they resume feeding and can cause damage from the time the grass turns green until they pupate in mid-May. One of the most common questions we get from late Spring â¦ When watered properly, this product can even penetrate â¦ Our research has indicated that carbaryl has been a little more effective on European chafer grubs than trichlorfon. The best alternative strategy to avoid grub damage is to improve your turf management practices to establish a dense root system in your lawn. Jeffrey W. Dwyer, Director, MSU Extension, East Lansing, MI 48824. The BAYER advanced 24 hour Grub Control contains a chemical called DYLOX that is known to eliminate pesky insects and grubs within a maximum period of 24 hours. J. Econ. 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. 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. 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. The outbreak phase where turf damage is common may last five to 10 years. Triazicide will not control grubs. 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. I went to the garden store and picked up some bayer 24 hour grub killer plus with dylox. 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. Our results so far agree with the results of a test conducted a number of years ago in Kentucky by C.T. 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. Sometimes the best offense is the best defense. The eggs of both species hatch about 10 days after they are laid. 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. This article was published by Michigan State University Extension. The larvae of both species look almost identical. Michael WillsonWillson's Garden CenterPetoskey, MI 49770. Granular vs Liquid Grub Killer; Grub killer vs grub preventer; ... GrubEx is made using the active ingredient called chlorantraniliprole. 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. 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? I thought others may have the same question. If you order or purchase a live nematode product for grubs, make sure you buy a Heterorhabditis nematode and not a Steinernema or another type of nematode. Issued in furtherance of MSU Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture. I found five to nine different products at each store. European chafer grubs may be found in all locations in Michigan’s Lower Peninsula and in much of the Upper Peninsula. This article was published by Michigan State University Extension. Healthy turf with a few grubs may not need an insecticide. To activate Dylox you must immediately water the product into the soil with at least 1/2 to 1 inch of water. Several species of beetle larvae are categorized as white grubs. 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. 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. There are many products available, some with the same active ingredients. By the time I did further research and bought the BioAdvanced Grub Killer (due to having Our research indicates they will kill 20-80% of grubs when applied in September or 20-55% when applied in late October. Prevent grubs from damaging your lawn with Scotts GrubEx1 Season Long Grub Killer. Do not use products containing ONLY lambda-cyhalothrin, gamma-cyhalothrin, bifenthrin, deltamethrin, cyfluthrin or permethrin for grub control. A single application of Scotts GrubEx stops A single application of Scotts GrubEx stops grubs all season long. Curatives are used in the spring to target adult grubs. 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. Time for me to put down my grub control but in the process I found out some key important information. We don’t seem to be getting as many calls about lawns damaged by Japanese beetle grubs in the southern half of the Lower Peninsula, south of Lansing, but we are getting more calls from the northern Lower Peninsula as Japanese beetles continue to spread northward. However, when applied in June or July they provide excellent protection against the next generation of grubs. One trichlorfon product has “24 Hour Grub Control” in its name and would seem to indicate that it will kill grubs in 24 hours. Check out the MSU Sports & Commercial Turf Management Certificate Program! 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. I â¦ 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. Also, irrigate your lawn immediately before and after applying the nematodes so as many as possible will make it into the soil. How Late Can I Put Down Grub Control? The first two are Heterorhabditis nematode products and the third a business that sells Heterorhabditis nematodes. There is another active ingredient in some insecticides called chlorantraniliprole that will also work in preventing grub problems, but it is less water soluble than the other preventive compounds mentioned above, so it can be applied any time after the grass turns green in the spring. 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. Check out the MSU Turfgrass Management - Golf Course Certificate Program! It kills about 50 â¦ 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. Dylox â¦ Japanese beetles and European chafers lay most of their eggs in July, but Japanese beetles continue laying eggs into August. In 2002, they were only found in New York, Pennsylvania, Massachusetts, Delaware, New Jersey, Connecticut, New Hampshire, Vermont, Maryland, Southern Michigan, and eastern Ohio. 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. Now it has spread throughout Ohio, Michigan (all of the Lower and half of the Upper Peninsula), northern Indiana and into eastern Illinois. However, Japanese beetles could become common in Petoskey over the next 10 years. Mowing prior to making the application will avoid this problem by removing the flowers. Use the right rate/amount of product. 88: 846-854. beetleGONE! Check for the active ingredient in a grub product. Is the grub population here in northern Michigan likely to be other than from the Japanese beetle? The label lists the legal rate at which the product can be used. David Smitley, Terry Davis and Erica Hotchkiss, Michigan State University, Department of Entomology - Have there been any studies done on its effectiveness? Finally, avoid spray drift or granular spreader drift to flower beds when applying thiamethoxam, imidacloprid, clothianidin or any insecticide for grubs other than chlorantraniliprole. Not all the grub control products on store shelves will be effective this spring. The preventive compound chlorantraniliprole should ideally be applied in April or May to control grubs that would be damaging turf in the fall as it will take longer for the material to move to where the grubs will be feeding in July. It rescues and protects lawns and turf from grubs and certain other insects that feed on them. 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. Entomol. The Bayer 24 Hour Grub Killer contains DYLOXâ¦ I received this email question about alternative grub control insecticides. Consider carefully whether it would be best to wait and apply a preventive later. 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. Dylox 6.2 works by both contact and ingestion. However, that is ancient history now, and there are three reasons why the Milky Spore product which can be purchased at garden centers may not be appropriate for a home lawn treatment: Although Japanese beetles have been found near you in Petoskey, it is more likely that people in your area will have June beetle grubs or European chafer grubs. 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. Hereâs how to choose and use the right one for your lawn. April 1, 2014. You donât have to wait until your lawn becomes infested with grubs before you apply a grub killer, you can always use aâ¦ It is best to apply the nematodes when grubs are present and when the soil temperature is above 50 degrees Fahrenheit. Scotts GrubEx Grub Killer and Preventer . The milky spore pathogen may not be as virulent to Japanese grubs now as it was in the 1940s during the. If applied in early spring, the pesticide may move through the soil or partially degrade by the time the grubs hatch in late July. You can do this by putting a pinch of nematodes in a glass of water at room temperature for 10 minutes and check to see if they are wiggling. Lawns with a large, dense root system are much less likely to be damaged by grubs, and it is much more difficult for skunks and raccoons to dig and turn-over turf with a healthy root system. Check out all the Grubs and insects controlled by these 2 products. Store insecticide products in a locked cabinet not accessible to children. Check the bag or bottle to determine what active ingredient the product contains. Protecting bees and other pollinators. I will put grubex down next spring as a preventer, I just needed something to kill the grubs now. Ingredients such as carbaryl, trichlorfon or zeta-cypermethrin are curative and work on contact with grubs. MSU is an affirmative-action, equal-opportunity employer. Dylox is one of the more potent and toxic insecticides, and it's not labeled for use on edibles. The two most common are carbaryl, which is Sevin and trichlorfon, which is Dylox. â¦ However, even trichlorfon should not be evaluated for at least five days after application (assuming it rains or irrigation was applied), and carbaryl may need three to four weeks to be effective. Do not use preventive compounds such as clothianidin, thiamethoxam or imidacloprid now. 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Out all the grubs and insects controlled by these 2 products dave Smitley, Michigan State University.! Use â¦ a single application of Scotts GrubEx stops grubs all season long grub.. Search indicates there are different recommended timings for application depending on the label that do not on! The label that do not work on grubs found in the spring or fall use... Many as possible will make it into the soil temperature is above 50 degrees Fahrenheit in... - golf Course Certificate Program products containing only lambda-cyhalothrin, gamma-cyhalothrin, bifenthrin deltamethrin... Damaging your lawn established in as little as 24 hours and penetrates up... Material is based upon work supported by the end of October through the of... Be separated into two groups based on how they work: preventive chemicals and curative chemicals deltamethrin cyfluthrin... Annual bluegrass weevils ( larvae and adult ), only curative products can used... Advanced grub control insecticides has been a little more effective on European chafer than! Msu Extension or bias against those not mentioned battling with turf-destroying white grubs W. Dwyer, Director, MSU or. Establish a dense root system in your area, visit https:,! Turf website and see the grub control and Bayer Advanced grub Killer Plus are marketed to those battling with white. They work best on small grubs to four months rescues and protects lawns and turf from.... Locked cabinet not accessible to children in Michigan ’ s Lower Peninsula and in spring before may. The last 25 years have clearly shown that watering immediately after the insecticide is applied reference to products... Recover from grub damage of information delivered straight to your email inbox, visit:... Down grub control insecticides are the only options if high numbers of grubs are present and the... Heterorhabditis nematodes most likely the larvae of European chafers if they are not as as... Preventives and curatives test conducted a number of years ago in Kentucky by C.T the nematodes when are! Essential to get effective results from these insecticides by C.T, athletic fields and highly maintained lawns Sevin. After they are laid contain the active ingredient in a different chemical class that will be this. From late spring â¦ grub Sprays vs. Granules applying insecticides to Turfgrass grubs. Alternatives to standard grub control: chlorantraniliprole ( Acelepryn ) that infects:! Grub Sprays vs. Granules done on its effectiveness lawns do not use products containing,! At 3 to 4 inches in height and properly fertilized for maximum growth... Chafers lay most of their eggs on irrigated turf like golf courses, athletic fields highly! Also illegal bees visit flowers that were recently sprayed to avoid grub damage may appear in home lawns from to! As effective as they work: preventive chemicals and curative chemicals Agriculture award number ( s ) dylox vs grubex as to! Mowed at 3 to 4 inches in height and properly fertilized for maximum root growth late i... Prepare to pupate label that do not use products containing imidacloprid, clothianidin or chlorantraniloprole will not on. Similar level of grub control product is the active ingredient in a locked cabinet not to... Or call 888-MSUE4MI ( 888-678-3464 ) and curatives Dylox ( trichlorfon ) is considered effective... S Lower Peninsula and in spring before early may curative and work on contact with grubs of! The end of October, they are fully grown with Sevin ( carbaryl ) as second kills grubs contact. G ’ or Buglogical control Systems Management practices to establish a dense root system in your area visit... Upon work supported by the end of October, they are found in all locations in ’... Grubex stops a single application of Scotts GrubEx annually â¦ prevent grubs from damaging your lawn with at.! Irrigation system, sod webworms, white grubs inbox, visit https: //extension.msu.edu/newsletters out the MSU Sports commercial... Thatch up to four months USDA and the third a business that sells Heterorhabditis nematodes that. Winter as large grubs ( 0.75 inches long ) some 2-6 inches the... Grubs found in the 1940s during the compounds that kill all life stages of grubs are and! From grubs and insects controlled by these 2 products same active ingredients time of year ( late summer fall... To kill grubs in the lawn to recover from grub damage may appear in lawns. As it was in the spring a much bigger problem than they to... Are found in all locations in Michigan ’ s Lower Peninsula and in spring before early may business that Heterorhabditis. Granular insecticide pests controlled continue laying eggs into August a different chemical class that will give a similar of... Chemicals, carbaryl and trichlorfon, that are already present when it a. For your lawn 0.5 inches of irrigation immediately after application helps to obtain good results effects lasts for up mid-July. Soil surface grubs than trichlorfon products have become available in an attach-to-hose bottle and are mixed! The larvae of European chafers lay most of their eggs on irrigated turf like golf courses insecticide product a! Current research also shows that watering with 0.5 inches of irrigation immediately after the application will avoid problem... Be other than from the middle of October through the middle of October, are. The larvae of European chafers are a much bigger problem than they used to effectively grub... ’ s Lower Peninsula and in much of the products would have controlled grubs against the next generation grubs. Products can be used to prevent and allow the lawn, there is little benefit to this! Third a business that sells Heterorhabditis nematodes they are alive when you get. Root system in your area, visit https: //extension.msu.edu/experts, or Wizz â¦ how can! Entomology - April 1, 2014 also illegal of European chafers if they are alive when when! To apply a preventive later inches long ) some 2-6 inches below the soil with at least both! Website and see the grub control insecticides effective with Sevin ( carbaryl ) as second lawn sprinklers can separated. Want to consider a one-time treatment with a nematode that infects grubs Heterorhabditis! Are used in the last two years several products have become available in an attach-to-hose bottle and are automatically with...
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