Neem Oil Japanese Beetles, Neem oil will kill Japanese beetles before they become adults. And since neem oil is nontoxic, you can spray it right on your affected plants. Here's how it works: When male beetles ingest neem oil, they pass it on to the eggs. Then, the hatched larvae will eventually die before they become adults.26-Mar-2021,
Neem oil kills a wide variety of insects, including aphids, mealybugs, whiteflies, Japanese beetles, leafhoppers, thrips, fungus gnats, and other garden pests like spider mites and nematodes. Neem oil can also kill fungal diseases like powdery mildew, black spot, scab, anthracnose, and leaf spot.24-Feb-2022
Apple cider vinegar: Mix up equal parts apple cider vinegar and water in a bucket. Knock the beetles off the plants and into the bucket. The acid will kill them.
Spray the affected plants with neem oil. Then, the hatched larvae will eventually die before they become adults. The best way to kill Japanese beetles with neem oil is to spray the oil before the beetles enter their adult stage so they'll ingest it before mating.26-Mar-2021
Mix 4 tablespoons of dish soap with a quart of water inside a spray bottle. This simple solution makes for a great, all natural Japanese Beetle pesticide. Spray on any beetles you see on or around your lawn & garden.01-Aug-2017
Wintergreen and peppermint oils demonstrated the greatest potential for repelling Japanese beetles when tested individually.08-Apr-2009
You can control lawn grubs with neem oil. Neem oil also works to control Japanese beetles by preventing them from laying eggs that become destructive larvae. It also inhibits grub growth and repels them from the grass roots.
NEEM: An application of Neem Oil as soon as beetles are spotted can help diminish feeding. Apply every 7 days while beetles are feeding. To prevent leaf burn and to avoid hurting honeybees, spray Neem Oil late in the evening.20-Jul-2011
Neem Oil Concentrate works on a wide variety of pests including Japanese beetles, aphids, mites, whiteflies, flea beetles and earwigs.23-Jan-2021