Required fields are marked *. What can I spray on my Japanese maple for bugs? Insects Are Infesting My Silver Maple Trees, Cal Poly Urban Forest Ecosystems Institute: Red Maple, Missouri Botanical Garden: Acer Saccharinum, Missouri Botanical Garden: Eriophyid Mites, UC IPM Online: Gall and Blister Mites (Eriophyid Mites), The Wisconsin Master Gardener Program: Maple Gall Mites, Bonide: All Seasons Horticultural and Dormant Spray Oil Concentrate, Colorado State University Extension: Spider Mites, The Ohio State University Extension Fact Sheet: Maple Bladder Gall, Spindle Gall and Gouty Vein Gall, Cherry Trees & Insects That Cause Leaf Damage. How to get rid of spider mites with a simple and safe solution. Prune affected red maples early in the spring, using pruning shears or loppers to remove the infected branches and twigs to minimize the adult population of mites. The most common Japanese Maple pests are the Japanese beetles. Some common Japanese maple insects that eat the bark are carpenter worms as they’re a borer that eats their way into branches and bark. There are a few other names for this popular tree. Then follow the steps to handle them and save your tree. Spider mites are no joke and many plants are susceptible to them. The detergent traps pests and drowns. You should find the bug you’re dealing with and read the steps to exterminate it. Use the spray as directed as most of them do contain toxic residues. Spraying your tree with a hard blast of water from your garden hose not only rinses dust from the foliage, but it can also help knock the mites off the tree. They eat through the branches and leaves of new trees and leave behind sawdust accumulation on the soil and within their bores. This provides sufficient coverage for both morning and nighttime pests and covers the tree in water to discourage bugs. This knocks the mites off the leaves. Black aphids are also common. Common pests that you already may be familiar with are the Indian meal moth, green looper, or the whitefly. For aphids, they lose track of their colony and nest. Other pests like scales or ants will usually follow wherever the aphids go as they’re after the honeydew and the same environment. The content on this site is for informational and educational purposes only and is not intended as professional advice, or to replace a relationship with a qualified professional. You should be able to handle aphids, ants, scale, and mealybugs with a decent success rate and confidence! Worms are usually the larvae form of moths and flies. You can use liquid lime sulfur and spray your tree to reduce the number of overwintering mites. Spider … These trees don’t require much to care for and are noted as pretty and hardy plants. Each leaf is about 3-12 cm and wide with a lengthy structure. avoid when possible and use organic or natural control. Gall mites are eaten by lacewings and ladybugs. As obvious as it sounds, you should start a treatment plant right away as soon as you notice plant damage or pests. Your email address will not be published. Scale Insect Control – GardenForum Horticulture, Maple (Acer)-Cottony maple scale – PNW Handbooks, Scale Bug attack on Acer – UBC Botanical Garden Forums. You can spray every day for a week and make sure you hit all the aphid areas. Feeding on the underside of leaves causes stippling and yellowing of foliage. Other Japanese maple pests are scale, mealybug and mites. There are a wide variety of maple trees to choose from, such as the Japanese lace leaf maple, the red maple and the silver maple. Aphids feed in large groups and when they’re forced to scatter, this alters their environment. How To Get Rid Of Spider Mites On Your Plants Once And For All. It’s important to know that you’re dealing with the right tree first before you attempt to get rid to do the pests. In the world of horticulture there are mites and then there are spider mites, or what we can call the two-spotted mite. Check the appropriate section. Caterpillars usually come in swarms as the adults lay dozens of eggs simultaneously. Using Horticultural Oil. These pests form large colonies on the undersides of leaves, where they feed by piercing the foliage with their whiplike mouthparts and sucking out the cell contents. Spider mites are not an insect, as is commonly believed. If you need more help, here’s a handy resource. There is a number of species, the presence of which i… These arachnids have eight legs and an oval-shaped body, but you may encounter diverse species depending on the region. This will remove the protective webbing that keeps the predators out. However, scales have no segmented heads or bodies, so they look like tiny circular pests that move around. Gall mites cause growths or galls to develop on the leaves of red maple trees. These may appear as tiny black bugs on your acer tree. Disclaimer: Always consult with a qualified professional exterminator prior to beginning any pest control plan. This popular household cleaner is safe for most acer trees and kills ants, aphids, and mealybugs. Turns out, there are a ton of DIY home remedies you can do for free (or damn close to free) without having to spend money on expensive and dangerous chemicals. Hero Images / Getty Images They cause the underside of leaves to appear dusty, but if you look closely, youll see that the dust is actually moving. If your tree takes it without issue, then you can bump up the drops. They bore through the nutrient-dense areas which weakens the overall structure of the tree and damage the branches. Sound good? They can severely harm acer trees if ignored. These predators eat gall mites and will help control the population. Worms are also a destructive pest just like caterpillars. Visible white stuff (fuzz) on your leaves or branches, Be sure to keep your plant well-pruned on a weekly basis. Take care to be detailed, spraying each leaf individually instead of the entire plant. Pesticides and miticides are the best options if you need to completely rid your plants of spider mites. These attractive trees can add aesthetic value to your landscape, but mite feeding activity occasionally makes the beautiful foliage look unsightly. The Missouri Botanical Garden website recommends spraying for eriophyid mites about 7 to 10 days before budbreak and once again at budbreak. They rarely can kill an acer tree, but they can severely damage the tree and also make it unsightly. Spider mite populations grow so quickly that often times a farmer or gardener is caught off guard. Next, how to kill Spider mites is with horticultural oil solution. They appear as tiny specks that move around on the leaves and are difficult to see. The adult butterfly won’t harm maple trees. The flowers are usually purple and white with a fruit. Some of these plants also have pest-repellent properties which can help deter some bugs from your acer trees. Maple tree insects vary in what can control them. Aphids and ants have poor grip under a water stream and this can be a quick way to get them off your tree. Just mix 1 teaspoon of dish detergent to 1 cup of water. They’re difficult to control since they dig holes into your tree. But if you have a ton of them, their efforts to feast on your acer will multiply. Following the directions on the product's label, mix 5 to 7 1/2 tablespoons of oil product into 1 gallon of water. You may also notice bronze leaves or pale yellow, shrunken leaves. Red spider mites are not insects. Always test on a small part first before applying to the whole maple. If you have questions, post ‘em below and I’ll try to assist. You should avoid using any commercial sprays, as this will harm the beneficial bugs. Aphids produce poop and the ants eat it. The best way to get rid of spider mites is with a hose. Pruning is another quick removal method because simply taking off branches or leaves that are infested or unhealthy is efficient. What is eating the bark on my Japanese maple? If you notice sawdust or holes in your tree trunk, the tree is probably infested with carpenter worms. If you don’t have native ladybugs, you can buy live ones at select nurseries or online.