These species overwinter in the larval stage, pupating in the soil during late spring or early summer (Fig. Grubs are one of the most difficult lawn pests to deal with. It comes out primarily during the months of May and June. The latter mounds frequently are … While adult June bugs are a big nuisance, it is their offspring — known as white grubs — that are the real pests. Grub Worm Control for a Healthy Lawn. Geographic location of the bug: Central Illinois Date: … In South Carolina, as well as the rest of the southeastern United States, turfgrass can be attacked by the grub stage of Japanese beetles, masked chafers, May and June beetles, and green June beetles. Photo taken by Russ James. > (Extension fact sheet 5.516, Billbugs and White Grubs discusses white grubs of turfgrass in more detail.) The common June beetles are among many Phyllophaga spp., and occur throughout Canada and almost everywhere in the U.S. True white grubs are the larvae of May beetles (also called June Beetles) found in the genus Phyllophaga, of which there are over 100 different species.Phyllophaga larvae and other larvae of the family Scarabaeidae are often referred to as "white grubs", including larvae of the Japanese beetle (Popillia japonica Newman), annual white grubs (Cyclocephala spp. Beetles fly at night and are attracted to lights. The green June beetle grub and winged adults are slightly larger in size than the May/June Beetle although the lawn grubs look similar. The raster pattern of these lawn pests closely resembles that of an European Chafer; however, the two rows of hair do not diverge from one another as in the Chafer. If reseeding or establishing a lawn, use grasses containing an endophytic fungus like fescues and ryegrasses. White grubs are the larvae of certain beetles, like June beetles and chafers. Grubs, the term given to larvae of scarab beetles, are frequently found feeding on the roots of turf and pasture grasses. Adult beetles emerge in the spring or early summer, in May or June, and lay eggs in the soil. The adult beetle is ¾ - 1 inch long and ½ inch wide. It is sometimes confused with the related southwestern species figeater beetle Cotinis mutabilis, which is less destructive. 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. The C-shaped larvae, called grubs, are pale yellow or white. The second year, they are 20 mm long, and damage becomes more apparent. White Grub Life Cycle. Follow all label directions and warnings carefully. Fortunately, beetle bites are not common and they are seldom harmful to humans unless the person bitten has an allergic reaction. galleriae strain SDS-502; Apply with your favourite Scotts® spreader; 1.40 kg (3.08 lb) treats up to 125 m 2 (1,345 ft 2 ) Product not for sale in New Brunswick ; $34.99. The European Chafer beetle is a grub that feeds on the roots of plants. Immature May/June beetles (i.e., larvae or “white grubs”) have distinctly C-shaped, cream-colored bodies with a reddish-brown head and three pairs of legs. The heavy-bodied June beetles vary from 12 to 25 mm (0.5 to 1 inch) and have shiny wing covers (elytra). Phyllophaga is a very large genus (more than 900 species) of New World scarab beetles in the subfamily Melolonthinae.Common names for this genus and many other related genera in the subfamily Melolonthinae are May beetles, June bugs, and June beetles. The posterior end of the grub is enlarged and frequently darkened. They feed on foliage and flowers at night, sometimes causing considerable damage. White Grub Raster Location: Typical May/June Beetle Raster (~6X) Phyllophaga sp. Apply these season-long grub control products in mid- to late-June for best results through the fall and lower numbers of adult beetles the following spring. This type of fungus keeps grubs away. June beetles are also called May beetles because of the times of the year where they are seen the most. Extremely dry summers destroy many eggs and newly hatched grubs. Green June beetles, masked chafers, European chafers, Japanese beetles, oriental beetles and Asiatic garden beetles have annual life cycles, meaning they complete one generation per year. They are quite small when first hatched (3 to 4 mm long), but at maturity reach a length ranging from 2 cm (1 inch) for a Japanese beetle larvae to 4 cm for the June beetle grub. UNL web framework and quality assurance provided by the, Congratulations to Rogan Tokach (Master's student co-mentored by Dr. Share it! A distinguishing feature among these three species is the pattern of spines o… Beetle grubs should tackled during the early fall. Grubs feed on the roots of many plants, but like the fibrous roots of lawn grass best. The adult European chafer is light brown or tan, and is about 1.3 cm (0.5 inches) long. Apply a top dressing of sand and manure and overseed with grass. However, their disruptive burrowing and mound-building activities can disfigure turf. As the larvae eggs hatch, they begin to eat the roots of the grass throughout the summer into the early fall months. The European chafer, though, has recently migrated further north and east, and is responsible for much of the lawn damage in recent years in eastern Ontario. Water no more than once a week, and water until at least 2 cm (1 inch) of water collects in a container placed on your lawn or for about one hour. Beetles have been around 230 million years. En plus des larves du scarabée japonais, celles du hanneton européen (Rhizotrogus majalis) et du hanneton commun (Phyllophaga sp.) A healthy grub is milky white in colour, with the dark contents of its gut showing prominently through the cuticle at the hind end of the abdomen. Green June beetle grubs are different from most grub species in the southeastern United States in that they come out of the ground at night and move from one place to another. A soil aerator with spikes or spiked sandals can also help kill some of the grubs. Remove excessive thatch, and aerate compacted soil areas to ensure proper drainage. The upper body of the June Beetle is velvety green to a dull-colored brown. make up the group of insects called "white grubs". Companion plants like larkspur and geranium are toxic to grubs. Grubs are one of the hardest lawn pests to deal with. Affected areas will feel soft and spongy to walk on, and turf in these spots can be lifted up with ease. For best results, collect the beetles early in the morning when they are still sluggish. Put beetles in soapy water to kill them. Grubs are the larval stage of the European chafer, June beetle (June bug) and/or Japanese beetle. Use fertilizer with high potassium and enough nitrogen. The larvae stage of June Beetles are white and c-shaped grubs. The green June beetle is one of the white grubs that may be found in lawns. Larvae are white with a C-shaped body, brown head, and three pairs of legs. Deep, infrequent watering encourages deep-rooted, drought-tolerant lawns. June bugs are commonly seen in many areas in the United States, as well as other regions of the world which facilitate their living conditions. Like it? Here in Surrey, the Chafer Beetle has become an increasingly serious pest and many homeowners are frustrated by brown, torn apart lawns. True white grubs are the larvae of May beetles (also called June Beetles) found in the genus Phyllophaga, of which there are over 100 different species. ). Typically, outbreaks of white grubs happen every third year. For enquiries, contact us. Cotinis nitida, commonly known as the green June beetle, June bug or June beetle, is a beetle of the family Scarabaeidae. Tunnel through roots . These C-shaped, grayish-white grubs have tan heads and visible jointed legs. Beetles prefer to lay eggs in closely cropped lawns, so raise your summer mowing height to 6 to 8 cm (2.5 to 3 inches). Grubs seldom consume enough turf roots to cause significant damage. If you want to attract wildlife to your yard, … Ten-Lined June Beetle All of these pests appear roughly around late May through June, have roughly the same body shape with the oval back and pincers at the front and feed on the leaves of landscape plants. All June bug species are considered scarab beetles, all start out as a larval form known as "grubs," and all appear as adults in the garden in late spring to early summer. Leave lawn clippings after mowing, because their slow release of nitrogen encourages micro-organisms to break down the thatch. The southern masked chafer and the green June beetle are other species within the white grub group. If you have any of these natural predators digging at your grass, check for white grubs. They have a couple different habits that make them stand out from their grub cousins. Always look for a Pest Control Products (PCP) number on the label so you know the product has been approved by Health Canada. Larvae of several species of scarab beetles, including the Japanese beetle, feed on roots of conifer seedlings and transplants. Take a look at the life cycle and characteristics of this mini-beast, and also read some interesting facts about it. It is found in the eastern United States and Canada, where it is most abundant in the South. This makes the grass feel soft and spongy. The common June beetle occurs throughout Canada and almost everywhere in the United States. Adults also have a distinct, small, flat horn on the head. Green June beetle grubs crawl on their backs with their legs in the air. June Beetle Info at a Glance. Depending on the kind of lined June beetle, grubs could be damaging roots of garden plants. Damage is most severe in the spring and fall when moisture levels in the soil are high. They can destroy crops (e.g., corn [maize], small grains, potatoes, and strawberries), and they can kill lawns and pastures by severing grasses from their roots. The grubs of these insects can also cause damage to lawn and turf grass. Larvae hatch the same summer. These grubs live in the soil during development and survive by feeding on the roots of grass. * Active ingredient: Bacillus thuringiensis subsp. Grubs also feed on potatoes and carrots in the garden. From year to year, the Japanese beetle consistently causes the most damage to both turfgrass and ornamentals. You can hand pick adult beetles or vacuum them using a small vacuum with a disposable bag. They are the white-colored grubs. 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. If you notice grubs during the warm, dry periods of the growing season, water and fertilize your lawn to strengthen it and make up for the root feeding damage. They may travel considerable distances in search of plant roots on which to feed. Did you observe dead or brown patches in the turf, turf that easily lifts up and peels back, revealing sorry-looking roots and holes caused by skunks or raccoons? C-Shaped grubs with a three year life cycle. Adults overwinter in the soil and emerge to lay eggs in late May to early June. For all three grub species, apply a treatment just after the larvae have hatched, in mid- to late-August or in mid-September, when the turf is moist. Habitat: Under boards and other debris in shortgrass prairie habitat with sunflower, yucca, prickly-pear cacti, grasses, and scattered elm trees. See Use pesticides safely for more information on using pesticides safely. Kill Japanese beetles and other June bugs with a safe, do-it-yourself insecticide. White Grubs - There is no reliable way to predict whether any given year will be a bad one for white grubs - the immature, turf-feeding stages of Japanese beetles, masked chafers, and certain other beetles (May beetles, green June beetle,, Oriental beetle, European chafer, Asiatic garden beetle). ft.), dead patches of turf will result. Identification. Healthy, vigorously growing lawns can tolerate more grub feeding than stressed lawns, because damage to one root is made up for by others. One other beautifying option available to you is to remove the areas of grass that are typically attacked by grubs and take advantage of SAWS’ WaterSaver Coupons. Choose resistant varieties of plants. Interesting Facts about June Bug: The June bugs spend most time period of … As grub feeding continues, areas of turf (sod) begin to wilt and turn brown. Grubs are cream colour and about 1.5 cm (0.6 inch) in length, have distinctive legs, and are found in the root systems of plants and lawns. 103 Entomology Hall Lincoln, NE 68583-0816. A scarab beetle grub from Australia. Green June beetle adult. It’s June bug season on P.E.I. Adults mate and lay eggs in mid-summer (June to August). Mature larvae are 1–2 inches (25–55 mm) in length. European Chafer Raster (~8X) Rhizotrogus majalis: Asiatic Garden Beetle Raster (~8X) Maldera castanea: Oriental Beetle Raster (~8X) Exomala orientalis: Black … Illustration of white grub raster differences6 May/June beetle: The May/June beetles require three years to complete one generation. The most destructive lawn grub in Texas is one particular grub called the June bug (Phyllophaga longispina), also known in some areas as June beetles or May beetles. You will not receive a reply. If you see upwards of 10 grubs per square foot, your lawn may be suffering. Some parts of this site work best with JavaScript enabled. The most common white grubs infesting turf in Canada are those of the native June beetle or June bug. June Beetle Grub: June Beetle Grubs are the larvae of the June bug. These are the most common in New England. Controls a range of beetle grubs, including Japanese beetle, May or June beetles, European chafer, and more. They can destroy crops (e.g., corn [maize], small grains, potatoes, and strawberries), and they can kill lawns and pastures by severing grasses from their roots. Several annual white grubs species (Japanese beetle, European chafer, Asiatic garden beetle and Oriental beetle) are considered exotic, invasive species, but others are native to North America (masked chafers, green June beetle). May/June Beetle Lawn Grubs. The beetles are named for the white lines down their backs. To check for green June beetle grubs, dig up flat sections of sod several inches deep. Grubs are white or yellowish and have fleshy, wrinkled, C-shaped bodies with tan or brown heads and six spiny legs. Certain parasitic wasps and flies also help keep June bug or Japanese beetle populations in check. Bird houses attract natural predators (like starlings and blackbirds) that feed on white grubs. Grubs are white or yellowish and have fleshy, wrinkled, C-shaped bodies with tan or brown heads and six spiny legs. restrictions on the use of certain approved lawn and garden pesticides. In areas where their numbers exceed five to 10 per one-tenth of a square metre (1 sq. They range in size from 12 to 35 mm (0.47 to 1.38 in) and are blackish or reddish-brown in colour, without prominent markings, and often rather hairy ventrally. A grub is the larvae of a beetle species, such as Japanese beetle, masked chafer grub, and European chafer. Often, skunks and other small mammals will pull back the turf to feed on grubs in the spring or fall. This secondary damage to your lawn, as well as flocks of starlings and blackbirds feeding on your lawn, are signs of a grub infestation. They can destroy crops (e.g., corn [maize], small grains, potatoes , and strawberries ), and they can kill lawns and pastures by severing grasses from their roots. Typical June beetle, adult of white grub, of the genus Phyllophaga. Common white grub species belong to the genus Phyllophaga, with P. crinita being particularly common in Texas on bermudagrass, St. Augustinegrass and tall fescue. If you are having trouble with identific… June Beetle. May/June Beetle grubs have a distinct V- or Y-shaped anal slit and two parallel rows of hairs on the raster, the key identifying features distinguishing May/June Beetle grubs from other White Grubs. Phyllophaga larvae and other larvae of the family Scarabaeidae are often referred to as white grubs, including larvae of the Japanese beetle (Popillia japonica Newman), annual white grubs (Cyclocephala spp. Mix four cloves of minced garlic with one tablespoon of mineral oil and let sit overnight. This grub is unlike other grubs in that it will crawl on the surface of the grass at night. Early instar grubs frequently can be found tunneling in the top 4 inches of soil. White grubs are the larvae of certain beetles, such as June beetles and chafers. Autumn Smart and Dr. Judy Wu-Smart) on being awarded a $10,000 national Christi Heintz Memorial Scholarship by, Apply to the University of Nebraska–Lincoln, Give to the University of Nebraska–Lincoln, Institute of Agriculture and Natural Resources, Emerald Ash Borer Look-Alike Insects Sheet, Research Publications on UNL Digital Commons, Entomology Hall (Plant Industry Building) History, College of Agricultural Sciences and Natural Resources. 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