Learn how to kill and prevent grubs in your lawn with the best products for 2024. Compare Dylox, Milky Spore, Acelepryn, BioAdvanced and Scott's GrubX.Natural Grub Control . Milky spore is a natural bacterium that can be an effective control of Japanese beetle grubs, but it usually takes several years to become established in the soil, and it requires some grubs to live on, so don't use it in combination with chemical controls. Milky spore is only effective on Japanese beetle grubs.Learn how to get rid of lawn grubs with grub killer, nematodes, and neem oil. Find out the best time to apply grub control in spring or summer, and how often to do it. Discover the benefits and … Grub Killer Spikes. Spike sandals, typically sold for aerating lawns, don't aerate very well. But a study by Colorado State University has shown that walking over Grub-infested lawns repeatedly (three to five times) while wearing the sandals is an effective grub killer that can cut Grub populations in half —literally. A new (2018) product being marketed for grub control is the galleriae strain of the bacterium Bacillus thuringiensis (Btg), presently sold under the trade name grubGONE! Optimal application timing is around the time of peak egg hatch of the white grubs. For southwestern masked chafer and Japanese beetle this will occur sometime between mid-July ...Grub Prevention & Control Services in Maryland and Northern Virginia. Last updated: 6/24/2021. Estimated read time: 4 minutes. If your lawn is beginning to turn ...Apr 8, 2023 · BioAdvanced 24-Hour Grub Killer Plus offers the best of both worlds: easy application by hand or with a spreader and a fast-acting formula. This product’s active grub control ingredient is trichlorfon, and it’s effective against a wide range of yard pests. To apply, BioAdvanced suggests setting a lawn spreader to 2 pounds per 1,000 square feet. Apr 8, 2023 · BioAdvanced 24-Hour Grub Killer Plus offers the best of both worlds: easy application by hand or with a spreader and a fast-acting formula. This product’s active grub control ingredient is trichlorfon, and it’s effective against a wide range of yard pests. To apply, BioAdvanced suggests setting a lawn spreader to 2 pounds per 1,000 square feet. How to Repair Lawn Grub Damage. Because the grubs feed on the roots, grass will need to be started from scratch. Just treat the area like any other bare patch repair, and be certain to keep the seed moist while germinating. Here are the basic steps: Rake and remove loose and dead patches of lawn. Aerate your lawn.BioAdvanced 24 Hour Grub Killer Plus granules is an excellent turf rescue formula that delivers overnight results! This 20 lb bag treats 20,000 square feet and kills grubs through contact, delivering overnight results. 24 Hour Grub Killer also kills Ants, Armyworms, Billbugs, Chinch Bugs, Crickets, Cutworms, Earwigs, …Grubs, also called white grubs or lawn grubs, are the larvae of various scarab beetle species (Scarabaeidae). They live all over North America, where they damage or destroy lawns and garden plants. They feed on trees and shrubs, crops, lawns and fruit and vegetable plants. Grubs feed on organic material in the soil and the roots of grasses and ...Sep 20, 2019 · Using a shovel or a lawn edger, you can make a cut in a one-foot section of your lawn where you suspect grub activity. Peel up a one square-foot section of grass and soil from that cut. If there is significant grub damage, the grass should peel up quite easily. Sift around in the soil, simply counting how many grubs you find. Weeds are pesky and can quickly take over your garden or lawn. If you’re looking for an effective and natural way to get rid of them, then a DIY natural weed killer is the perfect ...GNU GRUB (short for GNU GRand Unified Bootloader, commonly referred to as GRUB) is a boot loader package from the GNU Project.GRUB is the reference implementation of the Free Software Foundation's Multiboot Specification, which provides a user the choice to boot one of multiple operating systems installed on a computer or select a specific kernel configuration available on …Here are the best grub killers for lawn you can buy in 2024: Best Overall: Scotts GrubEx1. Ready-To-Spray: BioAdvanced 700280B Complete Insect Killer for Soil & Turf. Best For White Grubs: …Sep 20, 2019 · Using a shovel or a lawn edger, you can make a cut in a one-foot section of your lawn where you suspect grub activity. Peel up a one square-foot section of grass and soil from that cut. If there is significant grub damage, the grass should peel up quite easily. Sift around in the soil, simply counting how many grubs you find. Put a teaspoon of milky spore powder 3 to 4 ft. (1 m) apart on the lawn in a grid shape. Use a gentle spray of water from a hose to water in the powder. Water for 15 minutes. You only need one application to keep kill …Apr 20, 2022 · BioAdvanced 24 Hour Grub Killer Plus granules is an excellent turf rescue formula that delivers overnight results! This 20 lb bag treats 20,000 square feet and kills grubs through contact, delivering overnight results. 24 Hour Grub Killer also kills Ants, Armyworms, Billbugs, Chinch Bugs, Crickets, Cutworms, Earwigs, Grasshoppers, Leafhoppers, Millipedes, Mole Crickets, Pillbugs, Scorpions ... Grubs are one of the hardest lawn pests to deal with. Grubs are white or yellowish and have fleshy, wrinkled, C-shaped bodies with tan or brown heads and six spiny legs. They are quite small when they hatch, but when fully grown are from 2 to 4 cm (.75 to 1.5 inches), depending on the species. The most common white grubs infesting turf in ...Aug 9, 2021 · Put a teaspoon of milky spore powder 3 to 4 ft. (1 m) apart on the lawn in a grid shape. Use a gentle spray of water from a hose to water in the powder. Water for 15 minutes. You only need one application to keep kill grubs and stop them from damaging your lawn. Lawn Grubs, often called White Grubs, are the immature form of different Scarab Beetles, such as Japanese Beetles, June "bugs" (beetles) or the European Chafers. These white, C-shaped creatures have soft bodies with legs near the head. They feed on grass roots (and organic matter in the soil), causing sections of grass in …2) Apply Milky Spore. One natural and organic substance you can apply to garden soil or lawns to kill grubs is called Milky Spore. When introduced under the right conditions, the curl grubs ingest the Milky Spores who parasitize and effectively kill them over a few weeks timespan.Jul 26, 2021 · For those choosing a more natural grub treatment as to how to get rid of lawn worms, there are several options available. All of which are considered safe and effective. These include milky spore, neem oil, and nematodes -- available at most garden centers. Milky spore is a disease that can effectively treat lawn grubs and is environmentally safe. Other grub species only last for a year. Certain products that work on annual grub worms might not work on grub worms that live for multiple years. Dylox 6.2 will kill grub worms regardless of where they’re at in …Rating. Scotts GrubEx1 - Grub Killer for Lawns, Kills White Grubs, Sod Webworms and Larvae of Japanese Beetles & More, Lawn Treatment for Season Long Grub Control, Treats up to 10,000 sq. ft, 28.7 lb. Check Pricing. BioAdvanced 700288B Complete Insect Killer for Soil & Turf, Lawn and Yard Bug …Weeds can be a nuisance in your garden, but you don’t have to resort to harsh chemical weed killers. You can make your own natural weed killer recipe at home with ingredients you m...Grub control can be confusing, as there are two approaches: Preventive, or; Rescue treatments. Preventive treatments are applied from mid-June through early July for the best results. These products have long residuals and control grubs, as they ingest the chemicals when feeding begins in August. Examples of preventive treatments include,BioAdvanced 24 Hour Grub Killer Plus granules is an excellent turf rescue formula that delivers overnight results! This 10 lb bag treats 10,000 square feet and kills grubs …Best Grub Killers featured in this video: 1. BioAdvanced Granules 700745S 24 Hour Grub Killer https://geni.us/CEBn 2. Scotts GrubEX1 Grub Killer for Lawn...Aug 9, 2021 · Put a teaspoon of milky spore powder 3 to 4 ft. (1 m) apart on the lawn in a grid shape. Use a gentle spray of water from a hose to water in the powder. Water for 15 minutes. You only need one application to keep kill grubs and stop them from damaging your lawn. 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. * ...Nov 5, 2021 · The best time to apply grub control is early spring (April to May) to prevent grub damage that occurs in the fall. For grub killers, treat the lawn as soon as you see irregular brown patches of grass. You can also put down the treatment in the months of June and July to prevent grubs the next season. Most grubs have a life cycle that lasts one ... Sometimes your grub problem is so bad that you want to go with effectiveness above all else, and GrubEX is one of the most popular products on the market for a reason. This is touted as a season-long grub killer, which means it keeps grubs at bay for 4 months. One application in the spring is all you need, and application is quite …Grub control measures can be taken in spring as well as late summer or early fall. The spring is the time for preventative grub control, while the late summer/fall is the best time to kill live grubs in your yard. Japanese beetles and June bugs lay their eggs in summer, which hatch a couple of weeks later. Grubs …Grubs, also called white grubs or lawn grubs, are the larvae of various scarab beetle species (Scarabaeidae). They live all over North America, where they damage or destroy lawns and garden plants. They feed on trees and shrubs, crops, lawns and fruit and vegetable plants. Grubs feed on organic material in the soil and the roots of grasses and ...6. Make a grub killer with borax. Borax is a common household cleaning ingredient that can be used to kill grubs. However, it should be noted that borax contains boron, which builds up in the soil and can kill your lawn in high concentrations. With that in mind, use this method sparingly–if at all.1 gallon of warm water. Garden sprayer. tb1234. To make this simple recipe for a homemade grub killer, mix the Neem oil, Castile soap, and essential oil in a container and pour it into a garden sprayer of water. While Neem oil works well alone, adding peppermint essential oil to the solution gives it more insect-repelling power.For many species, this time period is immediately prior to their annual hatching period. If you have a grub problem you need to treat – You should apply grub killers starting in the spring. Do it when you begin to notice grub damage on your lawn. This will usually take the form of brown patches.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. * ...To control grubs and kill their damaging adult form Japanese Beetles, treat your entire lawn and shrubbery with non-toxic Outdoor Bug Control (aka PCO Choice). Repeat this process again in two weeks and then just monthly after that. For best results, apply monthly until freezing temperatures return, and then start up again as soon as the ...The best prevention is to locate grubs early, right after they hatch and before they start to feed, because this is when they are most vulnerable to treatment. July or early August is the best time to treat a lawn for grubs. To control your lawn’s grub population, contact Cardinal Lawns today. We provide thorough pest control and unparalleled ...Aug 9, 2021 · Put a teaspoon of milky spore powder 3 to 4 ft. (1 m) apart on the lawn in a grid shape. Use a gentle spray of water from a hose to water in the powder. Water for 15 minutes. You only need one application to keep kill grubs and stop them from damaging your lawn. Merit® may provide some late season grub control, but both products are best used early in the season, when grubs are less than 1/2-inch long. • Using surfactants in the spray solution may improve control, especially in turf with heavy thatch. Trichlorfon (Dylox®) is short-lived in high pH (greater than 7) soils …August and September are good times to inspect the turf because the grubs will be active and close to the top of the soil. Start by using a spade to cut square foot sections of turf, about 2-4 inches deep in several different areas. Pull back the square foot area to expose the soil below. Closely inspect the turf, thatch, and soil for … About This Product. The Scotts GrubEx Ready-to-Use Grub Killer is designed for use in exterior areas to kill and help prevent many varieties of grubs. This product provides coverage up to 10,000 sq. ft. and controls grubs to protect areas for up to an entire season. When applied during the spring to the late summer. The oil works by disrupting the grubs’ life cycle, preventing them from feeding and reproducing. Simply mix neem oil with water and spray it over the soil in your garden to protect your plants from grubs. Soil solarization: Soil solarization is a method that uses the sun’s heat to kill grubs and other pests in the soil.If you got grubs, you will see them. Visit a few affected areas to make sure. Scotts® Grub B Gon® MAX Grub Killer – a successful, proven solution to effectively kill grubs to prevent their damage to lawns. Its active ingredient is a live organism that is effective against a variety of beetle grubs, including June beetles and chafers.Chafer Grub Killer. Use Nemasys G to control the chafer larvae with convenient 100m 2 or 500m 2 packs sizes available. Detailed information on how to deatil with Chafer Grubs can be found in this downloadable guide. To view our Chafer Grub Treatment Calendar, click here. Maximise your control: It is important that soil …Use Nemasys Chafer Grub Killer to deal with a chafer grub infestation, without any of the precautions associated with chemical use, such as excluding children and pets from treated areas until dry or the question of what to do about grazing pets, such as rabbits and guinea pigs. Nemasys Chafer Grub Killer should be applied to moist …Aug 9, 2021 · Put a teaspoon of milky spore powder 3 to 4 ft. (1 m) apart on the lawn in a grid shape. Use a gentle spray of water from a hose to water in the powder. Water for 15 minutes. You only need one application to keep kill grubs and stop them from damaging your lawn. Merit 0.5 G Granular (by Bayer) is the longest lasting broad-spectrum grub control product on the market. Both curative and preventative, Merit Granules are effective on virtually …Learn how to identify, prevent and treat lawn grubs, the white larvae of scarab beetles that feed on grass roots. Find out about insecticides, milky spore, natural …You're composing that email to Someone Very Important, and you'd do backflips if it would get him or her to actually open the message. Writer Dan Santow says you don't need backfli.... BioAdvanced Season-Long 12 Lb. Ready To Use Granules Grub Killer. SEASON LONG GRUB CONTROLModel # 700710M.BioAdvanced Season-Long 12 Lb. Ready To Use Granules Grub Killer. SEASON LONG GRUB CONTROLModel # 700710M.BioAdvanced 24 Hour Grub Killer Plus granules is an excellent turf rescue formula that delivers overnight results! This 10 lb bag treats 10,000 square feet and kills grubs …Apr 11, 2023 ... How to Apply Grub Control Granules · Step 1: Determine the Size of the Area That Needs Treatment · Step 2: Purchase the Correct Amount of Grub ....Winter: Grubs move 2–6” below the soil’s surface to survive winter. Grub Control. There are a lot of products on the market for grub control and picking the right one can be confusing. Some are very effective, while others don’t address the problem at all. The key is to identify the active ingredient to determine whether … Bonide (BND60360) Insect and Grub Control pesticide is another great broad-spectrum grub killer. It helps control infestations including ants, ticks, fleas, grubs, sod webworms, European crane flies, billbugs, and chinch bugs. Most of the insecticides on this list of the best grub killers work only when watered down. Stop grubs by applying Scotts Grub B Gon MAX Grub Killer, then watering-in to a depth of about 1.25 cm. When applied as directed, the active ingredient – a live, soil-borne organism – is released down into the soil and root zone where grubs live. As grubs eat plant roots, they also ingest the active ingredient, effectively putting a …Natural Grub Treatment. For those choosing a more natural grub treatment as to how to get rid of lawn worms, there are several options available. All of which are considered safe and effective. These include milky spore, neem oil, and nematodes -- available at most garden centers. Milky spore is a disease that can effectively treat lawn …The best grub worm control: Beneficial nematodes (species Heterorhabditis bacteriophora) Beneficial nematodes are microscopic predators of all four species of grub worms. Applied in late spring when the soil temperature is above 60 degrees F, these minuscule worm-like creatures seek out and kill grubs throughout the growing season.That is excellent for controlling grubs—B. papillae. It is especially effective against Japanese beetles. It will attack the larvae of these Japanese beetles, removing the eggs and larvae for up to 15 years. To be effective, the grubs have to consume the milky spore. Once they do, the bacteria works from the inside out to kill the grub.This treatment helps to ensure grub and bug-free turf for 3 months from delivery. This product is the latest innovation in the control of grubs in your lawn. Traditionally, to treat grubs in your lawn, you …The species called Heterorhabditis bacteriophora (Hb nematodes) are especially suited to help with the control of white grub worms. They provide natural grub control by hunting down the grubs, entering the creatures’ bodies and releasing bacteria that is deadly to grubs. You can buy Hb beneficial nematodes through …Use grub-control products properly In areas where grubs have been a perennial problem, plan the timing of control tactics to kill them just as they begin hatching from their eggs. Adult beetles lay eggs in June, July and August, however, that is not necessarily the time to apply products. Many of the new grub-control products …How to Treat Japanese Beetles & Grubs: Stage 1 Dormant Grub: October – March. Grubs burrow deep into the soil and rest through the winter. Some move as much as 12 inches below the surface. Come March, lawns already under attack by grubs are best treated in early spring or fall. Apply Bayer Advanced 24 Hour Grub Killer Plus for fast results.How to Control Grubs. 1. Time it Right. It's always easier to prevent a grub problem than to wait until the damage is done and you have to deal with an infestation. Get a jump on things by applying Roundup® For Lawns Bug Destroyer early in …This grub killer also controls caterpillars (armyworm), chinchbugs, May/June beetles, and more (as listed), and can help control Japanese beetle infestations when applied annually ; Apply this granular insecticide to a dry lawn in the spring or early summer to kill grubs as they develop before they cause damage to your lawn ; One 28.7 lb. bag ...This treatment helps to ensure grub and bug-free turf for 3 months from delivery. This product is the latest innovation in the control of grubs in your lawn. Traditionally, to treat grubs in your lawn, you … If you got grubs, you will see them. Visit a few affected areas to make sure. Scotts® Grub B Gon® MAX Grub Killer – a successful, proven solution to effectively kill grubs to prevent their damage to lawns. Its active ingredient is a live organism that is effective against a variety of beetle grubs, including June beetles and chafers. In today’s fast-paced world, ordering food delivery has become a popular option for many people. With the rise of food delivery apps and services, such as Grub, getting your favori...Carbaryl kills grubs in about 10 to 14 days. It is more effective at eliminating certain types of grubs, like European chafer grubs, than trichlorfon. Beneficial insects, including bees, are also harmed by carbaryl. Trichlorfon starts to kill grubs in about one to five days. Mow the lawn immediately before applying …The oil works by disrupting the grubs’ life cycle, preventing them from feeding and reproducing. Simply mix neem oil with water and spray it over the soil in your garden to protect your plants from grubs. Soil solarization: Soil solarization is a method that uses the sun’s heat to kill grubs and other pests in the soil.If curl grubs are at the surface when removing the cover, it is time to take action. How to kill curl grubs. There are many ways to get rid of curl grubs. A synthetic curl grub killer will provide a fast solution to the problem, and can be used in granular or liquid form. Natural ways to get rid of curl grubs include: A long-lasting, one-step solution to protect your lawn from grubs and 40 other lawn damaging pests is here. BioAdvanced Season Long Grub Control creates a protective zone to kill Grubs before they do damage. Apply once for season-long control against insects above and below the surface, such as ants, ticks, mole crickets, chinch bugs and crickets. A single application of this granular insecticide can kill and prevent grubs for up to 4 months. This grub killer also kills caterpillars (armyworm), chinch bugs, May/June beetles, and more (as listed), and can help control Japanese beetle infestations when applied annually. Apply Scotts GrubEx1 Season Long Grub Killer to a dry lawn in the ...You can apply grub control when some rain is forecast, yet heavy rainfall could wash your grub control pesticides away; Water half an inch to an inch deep after applying; Proper lawn care is applied afterward to ensure the grub control solution goes where it needs to go. Because grubs live in the soil, the grub killer …Sep 20, 2019 · Using a shovel or a lawn edger, you can make a cut in a one-foot section of your lawn where you suspect grub activity. Peel up a one square-foot section of grass and soil from that cut. If there is significant grub damage, the grass should peel up quite easily. Sift around in the soil, simply counting how many grubs you find. A new (2018) product being marketed for grub control is the galleriae strain of the bacterium Bacillus thuringiensis (Btg), presently sold under the trade name grubGONE! Optimal application timing is around the time of peak egg hatch of the white grubs. For southwestern masked chafer and Japanese beetle this will occur sometime between mid-July ... Grub Killer Spikes. Spike sandals, typically sold for aerating lawns, don't aerate very well. But a study by Colorado State University has shown that walking over Grub-infested lawns repeatedly (three to five times) while wearing the sandals is an effective grub killer that can cut Grub populations in half —literally. Merit 0.5 G Granular (by Bayer) is the longest lasting broad-spectrum grub control product on the market. Both curative and preventative, Merit Granules are effective on virtually …The species called Heterorhabditis bacteriophora (Hb nematodes) are especially suited to help with the control of white grub worms. They provide natural grub control by hunting down the grubs, entering the creatures’ bodies and releasing bacteria that is deadly to grubs. You can buy Hb beneficial nematodes through …A: Scotts GrubEx1 Season Long Grub Killer will control the following grubs: Japanese beetles, Asiatic garden beetles, Black turfgrass ataenius, Aphodius spp., European …Grubs are a common problem for lawns, but there are organic solutions available to help control them. Organic solutions are a great way to keep your lawn healthy and free from grub...Be sure that grubs are the cause of brown patches. You can dig up a section of your lawn and look for grubs. Step 2: Select an Appropriate Grub Control Strategy. Let's look at how to treat grubs in lawns. You can go the route of using chemicals, but they can hurt pollinators, pollute groundwater, poison pets and children, or kill … It's always easier to prevent a grub problem than to wait until the damage is done and you have to deal with an infestation. Get a jump on things by applying Roundup® For Lawns Bug Destroyer early in the spring or summer, before the grubs hatch. 2. Maintain Your Lawn. A properly maintained lawn can tolerate more grubs per square foot than a ... A new (2018) product being marketed for grub control is the galleriae strain of the bacterium Bacillus thuringiensis (Btg), presently sold under the trade name grubGONE! Optimal application timing is around the time of peak egg hatch of the white grubs. For southwestern masked chafer and Japanese beetle this will occur sometime between mid-July ...Spray your lawn a maximum of once a week using a DIY spray made from: 1 gallon of water. 1 teaspoon of castile soap. 2 tablespoons of neem oil. Though neem oil is safe for pets and earthworms, it can harm bees, ladybugs, and other insects while airborne. For this reason, it's best to spray neem oil in the evenings.Step 1. Prevent grubs from getting into the garden by treating your tomato plants as soon as you plant them. Use a homemade mixture of water, garlic and dish soap to spray on the leaves of the plants and keep moths from laying their eggs on the plants. Video of the Day.BioAdvanced 24 Hour Grub Killer Plus granules is an excellent turf rescue formula that delivers overnight results! This 10 lb bag treats 10,000 square feet and kills grubs …May 23, 2022 ... How To Control Grubs| Bio Advanced Complete Control vs Spectracide Triazicide Insect Killer. Lawn Amateur•42K views · 2:10 · Go to channel ...To tackle a severe grub infestation, apply a uniform amount of Jonathan Green Grub & Insect Control on a dry lawn using a spreader. Immediately after application, irrigate the lawn with ¼ to ½ inches of water to activate the product. Apply once in the late summer/early fall season to kill the existing population, then again the next summer as ...The grub eats the spores, which reproduce inside of it. As they reproduce, they turn the insect’s internal fluids to a milky consistency. This kills the grub in seven to 21 days. When the grub dies, the spores inside disperse into the soil to infect more grubs. Milky spore will never completely eradicate all grubs in …Mar 9, 2024 · Stop watering the yard for three to four weeks to kill lawn grubs. Drying out a yard is a good way to kill these pests, but it might seem a bit risky for some homeowners. The good news is that a ... BioAdvanced 24 Hour Grub Killer Plus granules is an excellent turf rescue formula that delivers overnight results! This 10 lb bag treats 10,000 square feet and kills grubs …Grub control can be confusing, as there are two approaches: Preventive, or; Rescue treatments. Preventive treatments are applied from mid-June through early July for the best results. These products have long residuals and control grubs, as they ingest the chemicals when feeding begins in August. Examples of preventive treatments include,Connect with local experts to get the help you need. Get Free Estimates. To learn more about grub control or receive a free estimate for treatment of your lawn, fill out this simple form or call 877-386-6512. Grub infestations are easier to control if you get started early, so explore your options as soon as …The key to successful grub control is to kill them before or just as they hatch, before they begin to cause damage to your lawn or garden. Preventative grub control products should be applied in spring through early summer before or just as the grubs hatch. Always follow label directions when applying any control product.Best grub killers available in the market are: Bayer 24 Hour Grub Killer Plus, Dr. Pye’s Scanmask 10 Million Live Beneficial Nematodes, Garden Safe HG-93179 Neem Oil Extract Concentrate, Sevin 20 lbs. Lawn Insect Killer Granules and many more. 1. Bayer 24 Hour Grub Killer Plus. Bayer 24 Hour Grub Killer Plus is an excellent turf …To control new grubs that have hatched during the summer and prevent them from over-wintering. All Natural Ingredients. Bacillus thuringiensis subsp. galleriae strain SDS-502 (Bt) is the active ingredient in Scotts® Grub B Gon Max® Grub Killer — it is a microbe that is naturally found in soil-borne bacteria. It consists of a spore and a ...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. * ...As the grubs digest the spores, it infects and kills them. Then, as the grubs decompose, they release additional spores into the soil and infect the other grubs, preventing the infestation from spreading. Neem Oil. This oil-based pesticide is derived from Neem trees. Its insecticidal properties repel both Japanese beetles …It is not typical to apply insect killers to a lawn to kill beetles after they pupate but before they burrow to lay their eggs. 1. Grub Preventers. Grub preventers offer the best …In terms of grub killers, they often come in 2 forms: liquid and granular insecticides. Choosing an organic insecticide is great, but you should also look for the proper active ingredients to achieve the best outcomes. Sale. 9,847 Reviews. Scotts GrubEx1 Season Long Grub Killer, Protects Lawns Up to... Scotts GrubEx1 Season Long Grub … ---1