Several species of beetle larvae are categorized as white grubs. Dylox (Active ingredient: Trichlorfon) Widely used by professionals, Dylox kills grubs after they are in their third instar. Neither of the products listed grubs on the label printed on the bag and neither of the products would have controlled grubs. Prevent grubs from damaging your lawn with Scotts GrubEx1 Season Long Grub Killer. Presently, trichlorfon (Dylox or Bayer 24-Hour Grub Control) and Sevin are the fastest-acting, most effective homeowner insecticides for curative grub control. 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. After irrigation or rainfall, grub control is established in as little as 24 hours and penetrates thatch up to ½ inch thick. 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. Insecticides used for grubs can be separated into two groups based on how they work: preventive chemicals and curative chemicals. 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. A garden center owner asks about alternatives to standard grub control insecticides. Redmond and D.A. It was also reported in Wisconsin in 2013. Here’s how to choose and use the right one for your lawn. Before doing anything, it is important to make sure the problem is grubs. Make a regular practice of mowing your yard with the mower on the highest setting (3.5-4 inches). 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. 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. To contact an expert in your area, visit https://extension.msu.edu/experts, or call 888-MSUE4MI (888-678-3464). There are two chemicals, carbaryl and trichlorfon, that are considered curative treatments. Jeffrey W. Dwyer, Director, MSU Extension, East Lansing, MI 48824. I found five to nine different products at each store. Potter. Preventive products containing imidacloprid, thiamethoxam or clothianidin will consistently reduce 75-100% of the grubs if they are applied in June or July and if they are watered-in with 0.5 inches of irrigation immediately after application. Consider carefully whether it would be best to wait and apply a preventive later. How Late Can I Put Down Grub Control? 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? 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. It rescues and protects lawns and turf from grubs and certain other insects that feed on them. Check for the active ingredient in a grub product. For more information, visit https://extension.msu.edu. Examples of products that contain these chemicals include Sevin® and Dylox®. In 2002, they were only found in New York, Pennsylvania, Massachusetts, Delaware, New Jersey, Connecticut, New Hampshire, Vermont, Maryland, Southern Michigan, and eastern Ohio. One trichlorfon product has “24 Hour Grub Control” in its name and would seem to indicate that it will kill grubs in 24 hours. and D.A. 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 … 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. To have a digest of information delivered straight to your email inbox, visit https://extension.msu.edu/newsletters. The critical issue with any grub control product is the active ingredient. 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. Protecting bees and other pollinators. There are different recommended timings for application depending on the active ingredient. 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\". Easily apply with a Scotts broadcast, drop, handheld, or Wizz … 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. 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… Entomol. The product’s effects lasts for up to four months. If there is nothing flowering in the lawn, there is nothing in it that would attract bees. & grubGONE! Lack of efficacy of in-vivo and putatively in-vitro produced Paenibacillus popilliae against field populations of Japanese beetle (Coleoptera: Scarabaeidae) grubs in Kentucky. Scotts GrubEx kills 25% more grub types versus original Grubex. Use them in June or July to control grubs that would be damaging turf in the fall. The label lists the legal rate at which the product can be used. They will not work on grubs found in the lawn from the middle of October through the middle of May. The first two are Heterorhabditis nematode products and the third a business that sells Heterorhabditis nematodes. A single application of Scotts GrubEx stops A single application of Scotts GrubEx stops grubs all season long. A third concern is the rate at which the insecticide is applied. Chlorantraniliprole can be applied as early as April and up to mid-July. I thought others may have the same question. 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