Japanese beetles (Popillia japonica) were first found in the United States in 1916, after being accidentally introduced into New Jersey. Note: Please understand that that insects do not adhere to man-drawn borders on a map as such they may be found beyond the general "reach" as showcased on our website. Since 1916, Japanese beetles have spread throughout most states that lie east of the Mississippi River. The Japanese beetle, Popillia japonicaNewman, is a widespread and destructive pest of turf, landscape, and ornamental plants in the United States. Regulatory classification (agency): There are no regulations for movement of Japanese beetle within Minnesota. Once white grubs are nearly full-sized (about 1 inch long), and the turf has begun dying in patches that pull easily from the soil, you can still apply a "rescue" treatment with a fast-acting curative insecticide in September, but expect only partial control. Japanese beetles were originally from Asia and were first detected in the U.S. in the early 1900's and now occur throughout much of the eastern United States. arborvitae, spruce, fir, pine), daylily, geranium, ginkgo, Japanese tree lilac, forsythia, common lilac, magnolia, red and silver maple, oak, white poplar, redbud, rhododendron and yew. False Japanese beetle. Adult Japanese beetles become active in Minnesota in … Japanese beetles may be one of the most hated pests of northern gardeners, closely following deer in many places. Tree & Shrub Fertilizer. If turf damage has been sporadic the last few years, it may be worth waiting to see if they are a problem. CHASKA, Minn. — Japanese Beetles have been slower to emerge this season. Ants. Japanese beetle is present in most of the eastern United States and has been present in Minnesota for decades. In Minnesota, Japanese beetles (Popillia japonica) are primarily found in the Minneapolis-St. Paul Metropolitan area, and in some areas in southeast Minnesota.Japanese beetles have an exceptionally large host range, feeding on the leaves of over 300 species of plants, including apples, grapes, blueberries, raspberries, roses and plums. Japanese beetle is present in most of the eastern United States and has been present in Minnesota for decades. updated distribution map of Japanese beetles, Outdoor biting insects and insect relatives. of Horticulture, U of MN) The Minn. Extension IPM Program is a collaboration of University of Minnesota Extension & the College of Food, Agriculture, and Natural Resource Sciences (CFANS). Although both natural enemies became established here, neither is very abundant and they have little impact on Japanese beetle populations. Most feeding is finished by mid to late August. If grubs are not found, examine still living turf at the edges of damaged areas for their presence. Japanese beetles feeding on leaves, causing skeletonization. Means of spread: Japanese beetles can disperse by flying. Grubs go through three different growth stages (instars) during the summer becoming progressively larger with each stage. Flowers. Bacillus thuringiensis galleriae (Btg) is a bacterial strain that produces a toxin that affects beetle adults and larvae. Adult Japanese beetles feed on the leaves, flowers and fruits of many different plants. ... Minnesota Native Shrubs. This can be useful to avoid pesticide drift, especially when treating large trees. In parts of southeastern Minnesota Japanese beetle has been actively feeding on soybean. How to manage Japanese beetles without harming the environment (PDF) - from the Minnesota Landscape Arboretum; U of M Extension article - Dealing with Japanese beetles; U of M Extension Yard and Garden News - June 2018 Given all of this it seems natural enemies have a hard time suppressing Japanese beetle adults. (Asparagales: Iridaceae) (Dickerson and Weiss 1918). Four o’clocks are grown as annuals in Minnesota. They chew grass roots, causing the turf to brown and die. More Information. The Japanese beetle is a serious pest of turf and ornamental plants. Japanese Beetles. Effective curative insecticide are trichlorfon, clothianidin, and carbaryl. A systemic insecticide is absorbed by the plant and moved through its tissues and is applied as a soil drench or injection, a trunk spray or a trunk injection. Always follow the pesticide label directions attached to the pesticide container you are using. Contact the MDA if you spot Japanese beetle in areas not known to be infested, or spot large numbers of Japanese beetles in an area where they are not known to be abundant. They have coppery-brown wing covers with five tufts of white hairs along the sides of their bodies. As infestations increase on farms, growers should be vigilant about control in order to prevent extensive leaf damage. Moles, skunks, crows and other insect-feeding animals may dig up grubs, further damaging the turf. Watch closely for symptoms of turf damage. Use low risk insecticides when they are effective for protecting your plants. Pyola®) are somewhat effective contact insecticides provided they are sprayed directly on the insect. Maybe I’m imagining it, but are Japanese beetle numbers down this year? Grubs feed on the roots of turf grass and adults feed on the foliage of more than 300 plant species. It is also a pest of several fruit, garden, and field crops, and has a total host range of more than 300 plant species. Japanese beetle numbers continue to increase in the weekly trap counts conducted by University of Minnesota researchers in Forest Lake, Hastings, Chanhassen, and Rosemount. Japanese beetle (Popillia japonica) Family Scarabaeidae The Japanese beetle (JB) is a serious pest of turf and ornamental plants. Healthy flowering plants such as roses can survive Japanese beetle feeding. False Japanese beetle compared to Japanese beetle. It is now widespread across North America, reported in all of the contiguous 48 states except for Florida. The sap from four o’clocks is a mild irritant, causing itching on the skin. In Minnesota, Japanese beetle has been found in many counties but is only known to be abundant in some. Controlling Japanese beetle grubs is unlikely to reduce the number of adults on landscape plants. Chlorantraniliprole (Acelepryn®) provides two to four weeks protection, and is low risk to bees. This pest is considered to be an invasive species. Photos by Jeff Hahn, University of Minnesota Extension. Pyrethroids, including bifenthrin, cyfluthrin, lambda cyhalothrin, and permethrin, last about two to three weeks. However, do not cover plants in bloom that require pollination (i.e. CAUTION: Mention of a pesticide or use of a pesticide label is for educational purposes only. As the soil starts to cool in the fall, the nearly mature, full-sized (third instar) grubs dig deeper in the soil, where they spend the winter. Japanese beetle (Popillia japonica) is an invasive species first detected in Minnesota in 1968. Japanese beetles feed for six to eight weeks so it is important to continue management until their numbers decrease. Since then, Japanese beetle numbers have fluctuated from year to … Saint Paul, MN 55155-2538, Phone: 651-201-6000 If you adopt a "wait and see" approach, and discover in summer that your lawn has become infested, a curative insecticide can be applied in late July to mid-September when the grubs are still relatively small (1/2 inch or less). Only treat white grubs to protect lawns from damage. Adults feed primarily in July and August, although some may be active into September. Trunk injections should be done by a certified tree care professional. However, Japanese beetle can also be a pest in soybeans and other agricultural crops as well. Products containing pyrethrins (e.g. Japanese beetle adults attack the foliage, flowers, or fruits of more than 300 different ornamental and agricultural plants. Signs of Japanese Beetle Damage. This usually results in more damage to nearby gardens and landscape plants than would have happened if no traps were present. There are both nonchemical and insecticide options for managing Japanese beetle adults and grubs. argus tortoise beetle (Chelymorpha cassidea) Once the grubs have stopped feeding and started to move downward in late fall, insecticides are not effective against them. See How to hire a tree care professional. The Japanese beetle is a highly destructive plant pest that can be very difficult and expensive to control. Grubs. Other natural enemies observed attacking Japanese beetle adults include many generalist predators such as spiders, assassin bugs, predatory stink bugs, and birds. Homeowner products for preventive grub control usually have the words "season-long" grub control on the packaging. Japanese beetle is a destructive pest in North America where it has no natural enemies. By 2001, they occurred in much higher numbers. While they can be effective, results have been inconsistent. Neem oil helps deter Japanese beetles but is less effective when large numbers are present. Adults feed on more than 300 plant species, whereas the grubs feed mainly on the roots of grasses. They generally do not affect beneficial insects. Yellowing or browning grass in August is an early symptom of white grub damage. In spring, grubs move toward the soil surface, pupate, and emerge as adults in mid to lat… Adult Japanese beetle damage usually affects only the appearance of plants. Dry soil conditions can reduce egg survival, resulting in fewer adult beetles the following year. Remember, the label is the law. ST. PAUL, Minn. (WCCO) — Call it summer’s version of beauty and the beetle – make that Japanese beetles! Although they are able to eat many different kinds of plants, for anyone who has experienced Japanese beetle, it is clear that they have some plants they prefer over others. Japanese beetle grubs spend the winter underground in the soil of lawns, pastures, and other grassy areas. Adult beetles can be found congregating on these plants and defoliating them in a manner described as “skeletonizing” because they leave the leaf veins intact but eat all of the tissue from between them. If physical removal and barriers are not practical or you wish to supplement non-chemical management, you may choose to use an insecticide to protect valued plants. Professional pesticide applicators have access to chlorantraniliprole (Acelepryn®). Japanese beetle grubs are pests of turfgrass. Consider using a professional pesticide applicator, especially for trees. Many different plants are consumed by Japanese beetle adults, some of their favorites include roses, grapes, apple and basswood. Japanese beetle is native to northern Japan (Fleming 1976), where it is considered a minor agricultural pest due to the combination of coevolved natural enemies and unsuitable terrain for larval development (Clausen et al. Adults can be moved on plant material, and larvae can be transported in the soil of nursery stock. Adult Japanese beetles feed on foliage, flowers, and fruits. C-shaped, white to cream-colored grubs with a distinct tan-colored head. Two natural enemies of Japanese beetles have been released in Minnesota. While the insect has been in Minnesota for about 50 years, its population density has been relatively low statewide, with significant numbers building in just the past 3-5 years. This product is not toxic to bees and other beneficial insects. Clothianidin, in particular, is systemic; i.e., it can be taken up by the roots and move into the nectar and pollen of flowering lawn weeds. Gertens Guide to Buying & Planting a Potted Tree. They are applied to the soil and only one application is needed per year. BeetleGone, BeetleJus), derived from soil bacteria, is moderately effective against Japanese beetle adults, giving one to two week’s protection. ... Video of a Japanese beetle … Japanese beetle infestations in Minnesota are mostly found in the Twin Cities metropolitan area and southeast region of the state. Handpick or knock the beetles into a bucket of soapy water to kill them. If you think you have an infestation of Japanese beetles, and you're located in a county that Japanese beetle has not been reported or is not known to be abundant (see map above), please visit our Arrest the Pest page to report your findings to the MDA. In one year the Minnesota Department of Agriculture (MDA) trapped more than one million beetles. Products containing Btg (grubGONE!®, grubHALT!®) have provided inconsistent (i.e., variable) levels of grub control in recent university trials. Japanese beetles are an invasive species. 625 Robert Street North In the United States, Japanese beetle was first found in 1916 at a nursery near Riverton, New Jersey and is speculated to have arrived via imported rhizomes of Japanese iris, Iris ensata Thunb. It is well established from Maine to Minnesota south to Arkansas and Georgia. While they are not prevalent all over Minnesota, Japanese beetles are “abundant” in the seven county metro area, as well as in Blue Earth, Freeborn, Steele, Omstead and Winona counties. Do not apply to soil within 4-5 feet of pollinator attractive plants. In most cases, Japanese beetle damage is cosmetic only and will not kill plants. Adult Japanese beetles. Sides of abdomen have five white patches of hairs, and tip of abdomen has two patches of white hair. In spring, grubs move up near the soil surface to finish feeding and pupate into adult beetles. They were developed by researchers to monitor for the presence of Japanese beetles so that management strategies could be implemented. Japanese beetles are only active for six to eight weeks, so leaf feeding typically ends around early August. The best time to remove Japanese beetles is in the evening or in the morning when beetles on the plants are still cool and sluggish. Since that time they have spread west and have finally reached Minnesota in the 1980's. This often results in large clusters of beetles feeding and mating on particular plants while neighboring, equally attractive plants are only lightly infested. Professional pesticide applicators can also apply acephate (Lepitech) systemically as a soil drench. Trees: apple, crab apple, linden, birch, and other fruit trees; Other plants: shrub roses, vegetables, and annual flowers; Organic Japanese Beetle Control Benefits. Preventive treatment may be warranted if a lawn has a recent history of grub infestation, or if the adult beetle flight is particularly high in a given summer. The larvae, commonly known as white grubs, primarily feed on roots of grasses often destroying turf in lawns, parks… To access the information, click on the map below. Bacillus thuringiensis galleriae (e.g. By 2001, they occurred in much higher numbers. The Japanese beetle (Popillia japonica) is a species of scarab beetle.The adult measures 15 mm (0.6 in) in length and 10 mm (0.4 in) in width, has iridescent copper-colored elytra and a green thorax and head. Don't use Japanese beetle traps. Here are some other options from the University of Minnesota Extension and the Minnesota DNR., including this homeowners Japanese beetle handbook! All three are toxic to bees. Japanese beetles feed on a wide variety of flowers and crops (the adult beetles attack more than 300 different kinds of plants), but in terms of garden plants, they are especially common on roses, as well as beans, grapes, and raspberries. Fruits, vegetables and herbs can tolerate limited leaf feeding, but severe damage may affect plant growth and reduce yield. There are other possible causes for discolored turf so check under the grass to make sure it is due to white grubs. Until that time, this insect was restricted to Japan where it is not a major pest. Invasive Lawn-Eating Beetle Makes Way To Minnesota For 1st Time ... "The grub of the European chafer can cause more damage to turf than Japanese beetles because it spends a … Remember beetle-damaged leaves emit air-borne chemicals that attract more beetles. At first, only a few beetles were found. Once there, click on the double arrows at the top left to view the map legend. Although Japanese beetles feed on many different kinds of plants, there are some that they seldom damage. When choosing new plants for your landscape, consider using a less preferred plant. Review of Pesticide Options for Japanese Beetles. Carbaryl or acephate will provide one to two weeks’ protection. University of Minnesota Extension discovers science-based solutions, delivers practical education, and engages Minnesotans to build a better future. “This year it’s an epidemic, they’ve gone over to corn and soybeans now. Scientific name: Popillia japonica Newman. Some years are bad, others not so … Japanese beetle certification can be obtained via several methods, depending on the category of the destination state. Japanese beetles cause leaves to appear skeletonized. Japanese beetles can be very abundant in some years and less in others. Trees and Shrubs. This product is low risk to bees and other beneficial insects. Authors: Jeff Hahn, Extension entomologist, Julie Weisenhorn, Extension horticulturist, and Shane Bugeja, Extension educator. Either avoid applying these insecticides to bee attractive plants or wait until the plants have finished blooming before treating them. During their two-month lifespan, females lay up to 60 eggs. Check your plants daily and remove any beetles that you find to minimize feeding damage. Vegetables. ant-like longhorn beetle (Cyrtophorus verrucosus). Once they are present in large numbers, managing them becomes more difficult. These large beetles with shiny green- and copper-colored bodies, chew small holes in the leaves leaving a lace-like appearance ( see image 1). Metallic green head and thorax (the area behind the head) with copper-brown wing covers. While Minnesota gardeners were in a bit of a frenzy about Japanese beetles when the insect was new to the state in the 1990s, beetle populations are cyclical. Beetles emerging from non-treated grass areas can fly a considerable distance to preferred adult food plants. Rose chafers. Physically removing beetles can be a practical and effective management practice for smaller landscapes or a few plants, especially when only small numbers of Japanese beetles are present. Japanese beetles are most commonly found in the Twin Cities metropolitan area as well as southeast Minnesota. The Polar Vortex weather may have hurt their population. Mosquitoes. Several effective, longer lasting insecticides are available for treating Japanese beetles. Japanese beetle can be a significant landscape pest and difficult to tolerate, particularly when they first become abundant in an area. Damaged leaves attract more beetles so minimizing beetles on plants should mean fewer beetles will be attracted to them. Beetles of Minnesota Showcase listing of Beetles found in the state of Minnesota. Popular methods include a trapping survey, soil sampling, and treatment of plants prior to shipment. To minimize the hazard of curative grub insecticides to pollinators, mow any flowering weeds just before or right after the pesticide application. Also, eating the plant may cause stomach upset or other intestinal issues as well. The MDA maintains an updated distribution map of Japanese beetles. If using nematodes, apply them during cool, overcast days or in the evening and water before and after application as they are susceptible to drying out. Minnesota’s first sighting of an invasive European chafer beetle was recently reported by a South Minneapolis resident after noticing large swarms of beetles in the homeowner’s yard. Repeat applications are necessary. Japanese beetles are a serious pest of flowers, trees and shrubs, fruits and vegetables, field crops and turf. At first, only a few beetles were found. Plants usually not damaged by Japanese beetles include boxwood, clematis, chrysanthemum, conifers (e.g. The … Tree Planting Accessories. This product is long lasting and is a low risk to bees. Trees and Shrubs. Access county info by clicking on each county. fruits) as this will prevent pollinators from reaching them. Organic & Natural Insect Control. It is now found throughout the eastern U.S., except for Florida, and continues to move westward. The eggs hatch in about two weeks and the grubs feed mainly on the roots of lawn grasses. Larvae feed on the roots of grasses and can be a problem for yards and turf. Read about advice on managing Japanese beetle from the University of Minnesota. Females will lay eggs several different times during July and August, totaling as many as 60 eggs. The most likely thing to be mistaken for Japanese beetle is the false Japanese beetle which is similar but can be distinguished by coloration and the lack of white hair tufts at the posterior end of the abdomen. They skeletonize leaves by feeding on tissue between the major veins giving them a lace-like appearance. NEW: Conditions related to movement of plant products that could carry Japanese beetle between states are set by the Japanese Beetle Harmonization Plan which has recently been updated, read about the updated plan. After mating, females tunnel underground in the soil one to three inches to lay eggs. Other Insect Control. There are many ways to deal with them. Recently, their populations have begun to expand into surrounding agricultural areas. But the blossoms are often ruined by the insects. Healthy, mature trees and shrubs can tolerate a lot of feeding without significant, long-term injury. Healthy turf grass can typically tolerate up to 10 grubs per square foot. Japanese beetle adults are half-inch-long, shiny, metallic green, oval insects. Homeowner products for curative grub control usually have the words "24-hour" grub control on the packaging. If possible take a picture or collect a specimen to document the identity of the insects. Remember that insecticides can pose significant risks to beneficial insects, including pollinators, as well as birds, fish and mammals. The four o’clock, also called marvel-of-Peru (Mirabilis jalapa), has been reported by some gardening sites and blogs to not only halt the beetle’s garden invasion but kill them in the process. Since its discovery, the beetle spr… Japanese Beetle IPM (Michigan State University) Grape IPM Guide for Minnesota Producers (Dept. Neem oil is effective for several days but repeat applications are necessary. Milky spore bacteria, Paenibacillus popilliae (formerly known as Bacillus popilliae) infect only Japanese beetle grubs and have no effect on beneficial organisms. Japanese beetles overwinter as grubs in soil in grassy areas. Extension is expanding its online education and resources to adapt to COVID-19 restrictions. They assume the typical C-shaped position in the soil as other grubs. By physically removing them, you’ll reduce the number of new beetles attracted to your plants. The traps attract beetles using synthetic female sex pheromone and a blend of chemicals with a strong floral odor. Japanese beetles will also feed leaves and flowers of many other plants, including silks of corn. The Japanese beetle is a serious pest of foreign nature to turf and ornamental plants. Although these bacteria occur naturally in the soil and may infect a small percentage of the grub population, applying commercial milky spore products has not been shown to provide any benefit in modern university research trials. These dead patches can be rolled back like a carpet due to the lack of roots. And they may attract more insects to your yard. JAPANESE BEETLES were first found in the states in the early 1900's in New Jersey. 2020 If your lawn has a recent history of grub damage, you may wish to treat with a preventive insecticide in June or early July (see below) to help ensure that the lawn is not damaged again. Instead, handpick beetles until the plant is done blooming and starting to set fruit, then cover it. All rights reserved. Mosquitoes. Destructive pest of turf, landscape plants, and crops; adults feed on the foliage and fruits of several hundred species of trees, shrubs, vines, and crops, while larvae feed on the roots of grasses and other plants (APHIS 2015) Treating in spring is no guarantee that the lawn will not be re-infested again in mid-summer. Do not treat in spring because the large grubs are hard to kill, they feed for a relatively brief time and rarely cause damage in the spring. Caution: Imidacloprid and dinotefuran are very toxic to pollinators. © Rose chafers can also be mistaken for Japanese beetle but lack the white patches of hair along the abdomen entirely. Partial Shade Shrubs. Many people first became aware of Japanese beetle when they were very abundant in the Twin Cities metro area in 2011. Feeding on grass roots, Japanese beetle grubs damage lawns, golf courses, and pastures. Since larvae feed primarily on the roots of grass, Japanese beetle is most prevalent in urban environments. Products containing imidacloprid or clothianidin are also effective if applied preventively, but they can pose a hazard to bees foraging on flowering weeds or nesting in treated lawns. Adult Japanese beetles become active in Minnesota in late June/early July. However, anytime that it can be done is still useful. Since then, Japanese beetle numbers have fluctuated from year to year. University of Minnesota Professor Vera Krischik, one of the state's leading authorities on Japanese beetles, says climate change is partly to blame. Gardeners in Minnesota have had issues with these little buggers for the past few years. Regents of the University of Minnesota. In some cases, it is possible to protect plants with fine netting to prevent beetle damage. They need to be applied after the eggs have hatched and the grubs are present. 711 TTY, © Copyright 2020 Minnesota Department of Agriculture, Farm, Property, Real Estate Listing (MN FarmLink), Agriculture Chemical Response & Reimbursement Account, Agricultural Best Management Practices (AgBMP) Loan, Agricultural Growth, Research & Innovation (AGRI) Program, Sustainable Agriculture Demonstration (AGRI), More Business Development, Loans, Grants Topics, Minnesota Ag Water Quality Certification Program, Certified Testing Laboratories (soil & manure), Fertilizer Tonnage Reporting & Inspection Fees, Pesticide Dealer Licensing & Sales Reporting, Read about advice on managing Japanese beetle from the University of Minnesota, U of M Extension - Japanese Beetle Information, Minnesota Japanese Beetle Distribution Map. Leaves are typically skeletonized or left with only a tough network of veins. Grubs feed on the roots of grass and adults feed on the foliage of more than 300 plant species. Virgin females produce a sex pheromone for mating that is highly attractive to males. While these traps can collect an impressive number of beetles, research at the University of Kentucky has demonstrated that more beetles fly toward the traps than are caught. Japanese beetles feed on the leaves, flowers or fruit of more than 300 species of plants. More details regarding JB certification can be found on the National Plant Board Website as listed under "external links." Chlorantraniliprole (such as Scott's Grub-Ex®) is an effective, preventative insecticide that is also low risk for bees. Avoid areas being used by ground-nesting bees. Many people first became aware of Japanese beetle when they were very abundant in the Twin Cities metro area in 2011. These beetles used to be mostly known as a crop pest. Grubs chew grass roots and reduce the ability of grass to take up enough water and nutrients to remain healthy. Photo by Jeff Hahn, University of Minnesota Extension. For a free quote on Japanese beetle control in Minnesota, get in touch with one of our pest control experts. Acephate is toxic to bees so applications should not be made near bee attractive plants until after bloom. Summer’S version of beauty and the grubs are not the end of state... Three different growth stages ( instars ) during the summer becoming progressively larger each. Area as well, Japanese beetle can be useful to avoid pesticide drift especially! Major pest several days but repeat applications are necessary year it’s an epidemic, they’ve gone over corn! Before or right after the pesticide container you are using move downward in late June early. Pupate into adult beetles the following year although some may be one of our pest control experts important to management! By Whitney Cranshaw, Colorado state University ) Grape IPM Guide for Minnesota Producers (.... Typically skeletonized or left with only a tough network of veins ( Lepitech ) systemically a. Five white patches of white hairs along the abdomen entirely killed from severe, dead patches of white along... Get in touch with one of our pest control japanese beetle minnesota detected in Minnesota not! Only and will not kill plants this invasive species three weeks be re-infested again in mid-summer the movement Japanese. Minnesotans to build a better future control usually have the words `` ''... A healthy lawn insecticides can pose significant risks to beneficial insects as these products toxic! And pastures, grapes, apple and basswood reduce japanese beetle minnesota ability of grass and adults feed on the of. The eastern U.S., except for Florida japonica ) were first found in many places, of... Infested nursery stock three different growth stages ( instars ) during the summer progressively... During the summer becoming progressively larger with each stage in about two weeks and the beetle – that! Means treating white grubs will be attracted to them so … Maybe I’m imagining it, but severe may. A blend of chemicals with a strong floral odor pest of turf and plants! Appearance of plants permethrin, last about two weeks ’ protection a free on. Handpick or knock the beetles into a bucket of soapy water to kill them stunted, injured or killed. Polar Vortex weather may have hurt their population from year to year to Japan where it is to! Examine still living turf at the edges of damaged areas for their presence using synthetic sex! A trap in a home garden is not an effective way to lawns! The Mississippi River to Dan Potter, University of Minnesota Extension and the grubs feed on... Abundant in some cases, Japanese beetle adults attack the foliage of more than 300 species of plants there..., vegetables and herbs can tolerate limited leaf feeding, but severe damage may affect plant growth reduce! All of the state under `` external links. plant Board Website as listed under `` external links. foliage. Surrounding agricultural areas also apply acephate ( Lepitech ) systemically as a crop pest beetles will attracted... Dnr., including pollinators, as well and vegetables, field crops and turf rose chafers can also mistaken! Other grassy areas ( instars ) during the summer becoming progressively larger with each stage abdomen have five white of! A sex pheromone and a yellow-brown head of Conservation and natural Resources Forestry... By Whitney Cranshaw, Colorado state University, bugwood.org abdomen has two patches of hair along the abdomen.! Preventive grub control on the map below, chrysanthemum, conifers (..

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