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Tiny red bumps on maple leaves

Riesenauswahl an Markenqualität. Folge Deiner Leidenschaft bei eBay! Kostenloser Versand verfügbar. Kauf auf eBay. eBay-Garantie Expert Response The red wart-like structures on the upper surface of your maple leaves are maple bladder galls. Maple bladder galls result from abnormal leaf growth due to feeding of a small mite, Vasates quadripedes. In early spring they are green but they turn red and eventually black

My Autumn Blaze maple tree has recently developed red bumps on many of the leaves. Is this something to be concerned about? Red bumps on maple leaves #332151. Asked June 13, 2016, 11:32 PM EDT. My Autumn Blaze maple tree has recently developed red bumps on many of the leaves. Is this something to be concerned about? Should I take any action. The insects responsible for red bumps on maple leaves are invisible, maple bladder gall mites (Vasates quadripedes). Their 1/125-inch long, carrot-like bodies have two pairs of legs, and their color ranges from white or pink to orange Best offers for your garden - http://s.click.aliexpress.com/e/1Wy5buU-----Red Bumps on the Leaves of My Maple Tree. Maple tree leaves often develop.. Unattractive growths, or galls, on the leaves of red maple trees (Acer rubrum), which appear as green bulges early in the season and then change to red and black, are typically caused by an.. Maple bladder galls result from abnormal leaf growth due to stimulation or irritation from the feeding of mites. Tiny growths, approximately 0.125 inches in size, occur primarily on the upper surfaces of maple leaves. Newly formed galls are yellowish-green, but later become pinkish to red and finally black

I too have this problem with my silver maple but my issue has been slightly different. My tree is in its' 7th year. It's been growing nicely but last year I didn't get a lot of leaves and early in the spring it produced a lot of seeds. Same this year. It does have leaves and they do have the red growths on the leaves, which I didn't notice last. Gall mites have a very predictable life cycle. They seek refuge on plants during the winter, underneath and near buds and come spring, when the silver and red maple that's unknowingly hosting them starts growing, the extremely small mites also grow, feeding and reproducing

Gall mites cause growths or galls to develop on the leaves of red maple trees. Although small in size, these galls can grow in such large numbers that affected leaves curl up. Several types of gall mites attack the red maple, including maple bladder-gall mites and maple spindle-gall mites Leaf galls are a disturbing sight but are not usually as serious as they appear. These bumps and deformities are generally the result of feeding insects or some other foreign organism such as bacteria, fungi, mites, nematodes, and even viruses. 1  Whatever the original cause, these organisms are usually not still on the leaf

What are those red bumps on maple leafs? A common concern with maple owners are the Maple Gall Mites, tiny little red or green balls on their maple leaves. According to the University of Wisconsin, Maple leaves frequently develop growths or swellings known as galls. These are caused by microscopic mites The maple bladdergall mite, V. quadripedes, is a native pest in eastern North America on silver maple, A. saccharinum, and red maple, A. rubrum foliage. Foliar feeding by this species results in the formation of green or red globular growths that are about 2.5-3 mm in diameter on the upper leaf surface (Figure 2) Maple bladder gall is a common and well-known leaf gall found on the upper surface of the foliage on silver and red maple trees. Maple spindle gall is often found on sugar maples. Maple bladder galls are a pouchgall. They typically appear as a rounded or elongate pouch on a slender, short stem or neck (though highly variable)

Velvety, felt-like patches, formed of numerous microscopic galls amid the leaf hairs on the underside of the leaves, occur on sugar, silver and red maple, and occasionally Norway maple. The ¼-3/8 mat-like galls begin light green or yellow-green and often become more conspicuous when they change to a bright red or crimson Maple Leaf Spindle Gall and Bladder Gall Caused by a microscopic mite, spindle galls are often yellow and form sharp spikes on leaves. Bladder galls are smooth red bumps and are caused by the same mite that causes spindle gall. Sometimes two different gall types may be observed on the same leaf

If you see red bumps on your maple or linden's leaves, your tree probably has gall mites. Maple bladder galls are small, red, round wart-like bumps about 1.5 mm to 3 mm in diameter. They can cover the upper surface of the foliage on silver and red maple trees. A small mite, vasates quadripedes, causes these galls These tiny mosquito-like insects are responsible for causing irregularly shaped structures on leaves and buds of a variety of plant species. Some of the common midge-produced galls are willow pine cone gall, gouty vein gall on maple and grape filbert gall The small, red bumps on the maple leaves are maple bladder galls. Maple bladder galls are a pouch gall. They are caused by a tiny mite. Adult mites spend the winter under the bark and other protected locations on trees. In early spring, the adults move to developing leaves and begin feeding. The leaf responds to the small irritation by. Young insects remove sap from leaves creating a speckled appearance and possibly yellowing leaves in mid to late summer. Excrete honeydew, a sticky, shiny material, on leaves and branches; sooty mold may also result from honeydew. Heavy infestations cause premature leaf drop and branch dieback. Silver maple is preferred host Maple tree leaves often develop tiny, mushroom-shaped bumps. The bumps emerge pale green from the leaves' surfaces before deepening to red. While unsightly, especially on trees grown primarily for their foliage, these blemishes are a maple tree's way of defending itself against a tiny, leaf-devouring insect

Große Auswahl an ‪Bumps - Bumps

My maple tree leaves have red bumps #146553 - Ask Extensio

  1. Field Maple leaves. I've often wondered what these red bumps on a field maple tree are. They develop each year. So tonight, I did some research. It turns out they are maple bladder galls or gall mites. They cover the upper surface of the leaves and are caused by a small mite, vasates quadripedes. These growths on the upper surface of the.
  2. Odd little bumps on leaves and funny protuberances on your plant's foliage may be a sign of pest, bacterial, or fungal problems. These galls may look like they are hurting the plant's health, but leaf galls on plants are actually harmless. There are nearly as many types of galls as there are causes. Leaf gall identification is tricky, as.
  3. Homeowners frequently find bumps and tumor-like growths on their maple leaves. The green, reddish-green or red bumps are symptoms of maple leaf gall, caused by the feeding of tiny mites. Adult mites become active as leaf buds open in spring. As mites feed on developing leaves, hormones cause abnormal plant cell growth that encloses the mites inside a gall wher
  4. Maple bladder gall is a common example of leaf galls. Small green bumps appear on the tops of silver and red maple leaves, turning bright red. This is due to tiny mites feeding on newly developing leaves. While it may look bad, in reality the health of the tree is not threatened. Control is not practical or necessary. Galls frequently appear on.
  5. What's Causing the Bumps on Area Maple Leaves? By Don Kinzler. on. June 8, 2017. •. ( 2 Comments ) Homeowners frequently find bumps and tumor-like growths on their maple leaves. The green, reddish-green or red bumps are symptoms of maple leaf gall, caused by the feeding of tiny mites

had this on another tree last year anbd tree died. Need advice on whatm options I have if any. thx in advance for any help Occasionally, it is found on red maple. Colonies of these pests are obvious because of their white, fuzzy appearance. They are usually seen on leaves, twigs, or bark. Although infested leaves shrivel and drop early, the pests cause little permanent damage. As a result of the honeydew, sidewalks and cars become sticky Fortunately, you can identify and even prevent red maple tree diseases before they start. Diseased maples may have curling leaves, dark spots, dead branches and twigs, black mold, leaf cankers, mildew, tiny pimple bumps, and pesky insects. If left untreated, diseased maples can pose serious health and safety hazards

Red bumps on maple leaves #332151 - Ask Extensio

  1. Study your red maple trees' branches and trunks to find purplish-gray scale insects that resemble tiny oyster shells to spot the oystershell scale (Lepidosaphes ulmi). Oystershell scale crawlers emerge in late May or early June, the nymphs mate in midsummer and the adult scales lay their eggs in late summer or early fall
  2. 8. Phyllosticta Minima (Maple Leaf Spot) Identification: Not to be confused with tar spot, these spots appear on a maple's leaves, are tan to brown in the center, and are violently red to purple around the edges. The spots can also be small black pinpricks like a banana or mango that's going bad
  3. What to Do About Bumps on Oak Leaves. Good news and bad news. Oak leaf blister and oak leaf gall cause little harm to trees. But both are ugly to look at-especially on your once-beautiful oak tree! Luckily, infected trees typically bounce back with proper plant health care. Most of the time there's no need for a chemical treatment
  4. Maple Tree Galls. Every year we get a few calls regarding maple leaves that have red, green, or black bumps on the foliage. The small raised bumps caused by a tiny mite that feeds on the underside of the leaf causing this tiny Gall to form on the top of the leaf surface. They are most commonly seen on Silver Maple, Red Maple, and sometimes the.

Garden Guides Red Bumps on the Leaves of My Maple Tre

Q: Our Autumn Blaze Maple tree has greenish-red bumps on many of its leaves. Are these insect eggs that will hatch and eat the dickens out of the leaves, or is it a disease Q: Our Autumn Blaze Maple tree has greenish-red bumps on many of its leaves. Are these insect eggs that will hatch and eat the dickens out of the leaves, or is it a disease? What treatment is.

Their bite leaves a tiny welt-like itchy bump that inflames the skin. Also to know is, what are the bumps on my maple tree leaves? If you see red bumps on your maple or linden's leaves, your tree probably has gall mites. Galls can appear every year, though their number varies greatly from year to year and from tree to tree. A small mite. A: The bumps are maple leaf galls, caused by the feeding of tiny mites. Adult mites become active as leaf buds open in spring. As they feed on developing leaves, hormones cause abnormal plant cell. Question: My silver maple is starting to drop its leaves. As I was raking them up, I noticed that many of the yellow leaves are covered with all these little red or black bumps on the upper surfaces What Causes Small Dark Bumps to Appear on the Limbs of Trees?. Trees create a focal point in the landscape, they shade us, they even sometimes produce beautiful flowers or fruits, so when bumps. Odd little bumps on leaves and funny protuberances on your plant's foliage may be a sign of pest, bacterial, or fungal problems. These galls may look like they are hurting the plant's health, but leaf galls on plants are actually harmless. There are nearly as many types of galls as there are causes. Leaf gall identification is tricky, as.

Oak tree leaves with crusted brown edges can indicate oak mites. If you see these leaves, avoid sitting or working under these trees. Oak mite bites leave red welts, usually on your face, neck, or. Maple bladder galls, those little red lumps on the top of silver maple leaves, are caused by eriophyd mites that overwinter in the tree and get an early start in the spring 4. WHITEFLIES. SYMPTOMS: Stunted or twisted leaves, white spots or black moldy areas on the top of foliage. CAUSE: Whiteflies are small, moth-like insects that cluster on the undersides of leaves. The nymphs are translucent and can appear to be the same color as the leaves. Both nymphs and adults suck the fluids from new growth, which causes fresh leaves to be stunted or twisted A reader asks about red bumps on his maple tree. Maple leaf galls are formed by tiny mites feeding on developing leaves, causing the leaves to produce abnormal cell growth, which encases the mite. Maple Bladder Galls—Freckles on the Leaves By Kathleen Cue, Nebraska Extension Horticulture Educator. If you have a sliver or red maple tree, you've most likely noticed small raised bumps on the leaves. Tree owners will call them freckles, measles and sometimes even zits

Plant and Insect Diagnostic Clinic Update - June 12, 2015

On maple leaves, small red bumps are caused by the tiny maple bladdergall mite, while the maple spindle gall mite initiates pale-colored spiky growths. Feeding or egg laying by the insect produces a chemical stimuli that prompts the plant to create a small sac or cocoon around the insect Scale insects are destructive houseplant pests that look like small bumps on plant stems and leaves. Scales can do a lot of damage to houseplants and outdoor plants. The pesky scale bugs bite into plants to feed on the sap, resulting in discolored leaves, leaf drop and stunted plant growth. Scales are small bugs in the insect order Hemiptera. The bumps on the leaves are galls (swelling of the leaf tissue) most likely formed by mites. The galls typically do not adversely affect the health of the plant and the damage is cosmetic only. The cotton-like substance is from the aptly named cottony maple scale. You might have some lecanium scale as well. Scale insects feed on the sap of stems maple leaf Hoppers and leafhoppers Hoppers can move with equal ease either forwards, backwards, or sideways like a crab. In addition, they can hop to escape danger or to move to another host plant. Feeding damage from some species causes small white spots (stippling) to appear on the upper leaf surface, usually beginning near the leaf midrib

Bright red bumps on maple leaves, a hairy green growth on a rose branch, a spherical bulge in an oak twig: By the end of the summer, many strange shapes have appeared on trees, shrubs and other. A Japanese maple is a great decorative element in the garden. With a compact size, interesting foliage, and beautiful colors, it can really anchor a space and add a lot of visual interest. If you're seeing spots on Japanese maple leaves, though, you may be worried for your tree

Distracted Naturalist: Red Bumps on a Silver Maple Leaf

Sycamore anthracnose is caused by the fungal pathogen Apiognomonia veneta, which overwinters on dead Platanus spp. leaves, as well as in infected twigs and branch cankers. The pathogen starts reproducing from these sources to infect new leaves and shoots. Fungal spores are spread via rain splash as the new leaves and shoots emerge Diagnosing deciduous tree problems is not easy. Barb Fick, home horticulturist with the OSU Extension Service offers some hints at how to give your less-than-thriving tree a closer look: Closely examine a branch where some leaves are normal and some of the buds never broke. Cut into a bud Symptoms of leaf rusts. Bright yellow, orange or red leaf spots. Leaf spots can produce yellow, orange, red or brown powdery spores that can be easily rubbed off and seen on a tissue or paper towel. Spores may be in little blisters within leaf spots or may emerge from tiny cups or tubes on the lower surface of the leaf

My maple tree leaves have red bumps - Ask an Expert

Red Bumps on the Leaves of My Maple Tree - YouTub

Leaves are covered with a thin layer or irregular patches of a powdery, grayish-white material. Leaves may become distorted. Infected leaves may turn yellow or red and drop. In late fall tiny black dots are scattered over the white patches like grains of pepper. Control. When planting new trees and shrubs, choose resistant varieties Small red bumps, bluish gray skin sores, bites in eyebrows, armpits, or in pubic hair. Nits, or tiny white eggs, may be found in the individual's hair accompanied by itching and intensifies in the evening. Though itching may begin after up to four weeks of contacts, it can start after two weeks or even shortly after being bitten 2) If you've noticed leaves that look like they've been chewed on or caterpillar-like insects on your river birch; these are most likely larvae of the Dusky Birch Sawfly. These 1 inch long, yellow-green bodied, black headed larvae, feed in groups along the leaf margins, eating their way to the center vein Preventing most leaf galls is extremely difficult. However, other than being unsightly, most leaf galls are not harming the tree or shrub. Maple bladder gall is a common example of leaf galls. Small green bumps appear on the tops of silver and red maple leaves, turning bright red Leaves next to the trunk and on large branches are most affected. The galls are yellowish green at first, but later turn pinkish to red and finally black. If the galls are numerous, leaves become deformed and may turn yellow and drop prematurely. Bladder and spindle gall are caused by tiny mites, too small to be seen with the naked eye

How to Get Rid of Gall Mites on Red Maples Home Guides

  1. Those bumps on the leaves are leaf galls. Galls are abnormal plant growths caused by various organisms (insects, mites, nematodes, fungi, bacteria, and viruses). Furthermore, what are the bumps on maple leaves? Bumps on maple and linden leaves Galls can appear every year, though their number varies greatly from year to year and from tree to.
  2. Norway maple: narrrow, purple to brown streaks occur along the leaf veins. Sugar maple: large, irregular, brown or red-brown areas develop along and between the veins similar to injury due to drought and heat stress. Small, brown fruiting structures of the fungus are found near the affected leaf veins
  3. Sometimes your plant may catch something that isn't fungal, but bacterial, possibly bacterial leaf spot. This is common on lilacs. The symptoms are small dark brown spots with a yellow circle surrounding it, which eventually will dry up to leave a hole in the leaf. These spots will eventually merge causing the entire leaf to turn dark black-brown
  4. Edges of Maple Leaves Turning Black. We have several maples where the edges of the leaves are turning black. Any ideas? Brown leaf edges on maples and other trees are symptoms of scorch. This occurs when the tree loses water from its leaves faster than it can absorb it from the soil

What are these ugly bumps on my tree's leaves? - MSU Extensio

A foliar disease called leaf blister has been common on silver and red maples and their hybrids during the past few weeks. The causal agent is the fungus Taphrina carveri. The disease may go unnoticed until a large number of leaves are severely infected and begin to fall from the tree. Symptoms include grayish brown-to-black irregularly-shaped. Roud mites only eat maple leaves that are still developing. They're rarely found on Japanese maple, but some readers state they've seen this pest. The mites rapidly reproduce and eat new leaves by forming galls. The leaves curl up. They're most commonly found on red maple trees and only attack trees that are still developing

Red bumps on our Silver Maple leaves? What is this

Oak bullet galls are common twig galls on our native bur oaks. Bullet galls are hard, round, and pea-to-knuckle-sized, and usually are most apparent by August. Jumping oak galls grow on leaves and look a bit like small, round seeds or BBs. The galls fall off the oak, carrying the larva with them. The larvae in the fallen galls are active, and. The red bumps are a result of the mites chewing on the tree leaves specifically in the growing season. These mites are aiming to stimulate new tissue growth in which they lay, and hatch their eggs. When the leaf is affected the symptomatic result is a chemically induced mass growth of abnormal cells. Funny enough, these little pests only affect. If you have a sliver or red maple tree, you've most likely noticed small raised bumps on the leaves. Tree owners will call them freckles, measles and sometimes even zits. Whatever they are called, maple bladder galls are caused by a very tiny mite. The galls themselves are made up of plant tissue and are a part of the leaf In the summer, many homeowners notice bumps or fuzzy red patches on their maple or boxelder tree's leaves. These lesions, called galls, are caused by a small mite or midge that overwinters in the cracks and crevices of the bark. Once spring warms up, they emerge and begin feeding on the unfurling leaves; the leaves closest to the trunk ar Maple bladder gall is a common example of leaf galls. Small green bumps appear on the tops of silver and red maple leaves, turning bright red. This is due to eriophyid mites feeding on newly developing leaves. While it may look bad, in reality the health of the tree is not threatened..

Get Rid Of Maple Gall Mites Causing Maple Bladder Gall

  1. Why has my red maple leaves turned green and no longer have the dark red color. June 7, 2017 by David Goodfellow All of these pests present as tiny bumps or cottony dots on twigs and on leaves. They often produce a honeydew which attracts another Japanese maple problem, sooty mold
  2. This spring small red egg like protrusions appeared on our red maple. We thought they were eggs and treated for insects. The red protursions turned green and are growing like warts. Any ideas what it is and how to make it go away
  3. The small, wartlike growth can easily be spotted on silver (soft) maple. Galls are first green, then turn red and finally black. Maple bladder galls are caused by eriophyid mites, mites that are tiny even for mites. Eriophyid mites are cigar-shaped and have only four legs, located behind the head. They are so small that a hand lens is needed to.

How to Get Rid of Gall Mites on Red Maples eHo

  1. Q: I have red bumps on the leaves of my maple tree. Do you know what this is and how to fix it? (e-mail reference) A: Those red bumps are caused by a small mite that lays eggs in the developing tissue early in the spring. The bumps you see are the larvae hatching and starting to feed
  2. The tiny red bumps or gall-like growths on maple leaves are maple bladder galls and are caused by tiny foliar feeding insects called mites. The pouch-like galls are initially red in color, but as.
  3. Sycamore Lace Bug: Sycamore lace bug (Corythucha ciliata) gets its name from the lacy pattern seen on the adult's wings, head, and thorax (chest region).The adult is small, 1 /8 inch in length, and whitish with dark brown spot. Adults survive the winter under the peeling bark of the sycamore tree. They become active in the spring at about the same time as leaves begin to develop

How to Deal With Leaf Galls (Bumps on Your Tree's Leaves

Purple-bordered leaf spot leads to the formation of roughly circular dead areas (typically less than ¼ inch in diameter) on maple leaves. Spots have tan to brown centers and distinct purple, red, or brown margins. Tiny, black, pimple-like reproductive structures (called pycnidia) often form within the spots, and are diagnostic Have you noticed bumps appearing on your maple tree leaves and wondered what caused them? This spring several inquiries from homeowners wondering as to whether this may affect the health of their tree. First appearing in the spring, these bumps are the result of tiny mites that are feasting on the tree foliage. Depending on [ Redbud Leaf Spot Diseases. Fungi such as Phyllosticta, Cercospora and Gloeosporium can create unattractive redbud leaf spots. Symptoms normally appear during periods of hot, humid weather. Irregular discolored spots appear on the foliage. The spots may drop out and leave holes in the leaves. Severely infected leaves may fall from the tree Spider mites are an extremely tiny pest, and generally appear as a brown, red or purple specks on the underside of leaves. Mites infest leaves and cause the leaves to appear speckled with yellow spots or wilted and curled. A fine silken webbing can sometimes be seen on the underside of the leaves

What are red dots on maple leaves? - TreeHozz

Homeowners frequently find bumps and tumor-like growths on their maple leaves. The green, reddish-green or red bumps are symptoms of maple leaf gall, caused by the feeding of tiny mites. Adult mit Midge bites start as small, itchy bumps. National Health Services A bite from a midge or gnat will usually present as a small, itchy red bump. The National Health Service said these bumps can be painful and sometimes swell up quite a bit 0. The spikes you've noticed on the leaves of your tree are the result of maple bladder gall mites. These little insects feed on the surface of leaves in the spring and leave reddish colored bumps which grow throughout the season and later turn brown or black. The insects feed in the spring, which is when they are susceptible to control Spider mites are small (ca. 1/20 to 1/60 inch long), eight-legged arthropods that may be brown, red, green or cream-colored. They live in colonies, mostly on the lower surface of leaves. Adult females deposit small, red to cream-colored eggs on a leaf, bark, or in webbing Tiny to sprawling brown or gray spots along leaf margins and/or veins; no leaf blistering or puckering associated with spots. 3. Tan, crusty spots associated with leaf puckering; seen in the fall (Oak Leaf Blister) 3. Marginal, tip or interveinal leaf scorching; affectes all leaves on a branch. 4

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Leaf Galls on Maple - Penn State Extensio

Where do bumps on tree branches and trunks come from? The cause of tree burls is a bit of a mystery, so it's hard to pinpoint the one reason they've appeared on your plant. In general, burls develop because of invasions (bacteria, fungi, and insects) or stressors (freeze damage and environmental injury) Causes of rust spots on leaves: Rust is caused by a group of fungi from the Pucciniales order. It shows up as a scattering of orange, yellow or red spots on foliage. High humidity and prolonged leaf wetness encourage these pathogens. Removing affected leaves, drier conditions, soil adjustment, or chemical sprays can resolve the problem Remember that it is better when trimming trees, to do a little bit each year than shock it with a full on attack one year. At all stages when you are attending to your Maple Tree, you should also try to keep a little bit of a check on maple gall mites. These are identified easily by the small raised red bumps that they leave on the leaves due to their range of colors: red, green, yellow or black. While leaf galls are the most commonly seen plant galls, they can also occur on twigs and buds. Galls can be induced by viruses, bacteria, nematodes and fungi as well as insects and mites. . Many things can cause bumps or strange looking growths on the leaves of your trees

Maples Leaves with Bumps and Hairs? New

Lobed leaves can have rounded tips like the white oak leaf (left) or pointed tips like maple leaf (right) The most easily identifiable type of tree leaf is the lobed variety. These leaf blades are made up of earlobe-like shapes, but they form a single leaf Rust: This is a fungal disease that appears as yellow, orange, red, or brown raised bumps or blisters on the undersides of leaves. Eventually, the leaves will curl up and fall off. Although Rust infections are not usually fatal, they can cause severe damage to your tree Help, my Oak tree has weird bumps and growths! We get lots of questions each year about abnormal growths on oak and other trees. These abnormal growths, called galls, can be very disturbing to the people whose plants are affected. Fortunately, most galls affect only the appearance of the trees and are not detrimental to plant health

Maple Gall Mites (Eriophyidae) - Wisconsin Horticultur

The other clue here is habitat, as I found it growing on a dying maple. The northern tooth is a parasite that rots the heartwood of maple trees. Below is a close-up of the tiny teeth. Return to example list . Russula (Russula emetica?) Gills: Gills were white and attached to the stem. Cap/stem: Cap was red on top and slightly upturned. The stem. Have a red lacy-leaf japanese maple about 4 feet tall that is 3 years old. It does well in the spring and early summer but around late June or July, the leaves shrivel and die. Branches aren't dead except on the tips. I trim the tips off Treatment for Maple Leave Tar Spot. There are fungicides labelled to control Tar Spot on maple trees, but thorough coverage of all leaf surfaces is critical. These may be easy to do with a small tree, but when the tree reaches 20 feet or more, this is almost impossible, even for professional tree care companies The solution to eliminating black spots on maple. Gather and burn all the leaves to eliminate any chance of having the fungus survive. You can also put them in the compost. It's fine to wait for leaves to fall naturally. Removing live leaves from the tree would stress the maple if done too often (more than once a year)

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Leaf blister, also called leaf curl, worldwide disease of many woody plants and ferns caused by fungi of the genus Taphrina. Peach leaf curl, caused by T. deformans, affects peaches, nectarines, and almonds and can cause agricultural losses. Red oaks are commonly afflicted with oak leaf blister, caused by T. caerulescens, but the disease does not usually endanger tree health Scale insects are common pests of shade trees and shrubs. More than 60 different kinds occur in Indiana, yet they are often overlooked or ignored until tree or shrub branches mysteriously start to die. Upon closer examination, these branches are likely to be covered with small bumps that are actually scale insects The small bumps on the leaves are called plant galls. They can be green, red, yellow, and even black. They can be green, red, yellow, and even black. These abnormal growths are caused by microscopic mites, so unfortunately you would not have spotted them before the galls form It's had the bumps in the past but keeps thriving. - Craig and Catherine Kangas, Fargo. A: The red or reddish-green tumor-like bumps are called maple leaf galls, caused by the feeding of tiny mites Non-toxic insecticidal soap is a spray gardeners rely on to kill aphids. 2. Scale Insects and Their Control. Scale insects can be black or dark brown in colour and suck fluids from Japanese maples. They are small, from 1/8 to 1/4 inch long and look like bumps on leaf veins and branches. They remain in one location when they mature