Managing the Japanese Beetle. Figure 1. 1985. Although strains of this bacterium that infect and kill other white grub species are known, commercially available formulations are only active against Japanese beetle grubs. As typical of a scarab larva, the grub is C-shaped when at rest. Although the outbreaks in California, Oregon, and Nevada have reportedly been eradicated with chemigation (CABI 2008). 344 pp. Biology and management of Japanese. Paris, France: European and Mediterranean Plant Protection Organization. Potter DA, Held DW. Japanese Beetle, Popillia japonica. Photograph by Clemson University, USDA Slide Series, www.forestryimages.org. They are also a member of the large insecta order but can be found under the coleoptera family, which has it’s own genus, the popillia. Adult Japanese beetle, Popillia japonica Newman, feeding damage on leaf. EPPO. More than 300 species of plants are known to be host to Japanese beetle. USDA Technical Bulletin 1545, Washington, DC. It is specific to scarab larvae and the effect of inundative releases have lasted in the field for one to two years. USDA/APHIS. Figure 9. There are no restrictions related to the movement of Japanese beetle within Minnesota, but there are restrictions related to the movement of Japanese beetle out of Minnesota. Beetles feeding habits are widely varied, but all have mouthparts adapted for chewing. Species and Origin: Japanese beetles are native to northern Japan. Garden Insects of North America: The Ultimate Guide to Backyard Bugs. They are metallic green with coppery wing covers. The head is yellowish-brown with strong dark-colored mandibles and the body consists of three thoracic and ten abdominal segments. Photograph by Ronald S. Kelley, Vermont Department of Forests, Parks and Recreation, www.forestryimages.org. Damage Appearance. Illustration of life cycle of Japanese beetle, Popillia japonica Newman, with generalized emergence times. Scientific name: Popillia japonica What Is It? According to Ohio State University, these small beetles eat the leaves and flowers of over 300 varieties of plants. The following are some of the better-known primary and secondary hosts (CABI 2004). Japanese Beetle. Photograph by Anne_Sophie Roy, European and Mediterranean Plant Protection Organization, www.forestryimages.org. The first instar feeds on nearby rootlets and organic matter for two to three weeks and molts for the first time. 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. Japanese beetles can fly as far as 5 miles but 1 to 2 miles is more likely. Illustration by Joel Floyd USDA APHIS PPG. 1976. Cultural Control: During dry summers, female beetles seek irrigated and low lying areas for oviposition since soil moisture is essential for egg survival and larval development. Preferred Scientific Name; Popillia japonica Preferred Common Name; Japanese beetle Taxonomic Tree; Domain: Eukaryota Kingdom: Metazoa Phylum: Arthropoda Subphylum: Uniramia Class: Insecta; Summary of Invasiveness USDA Technical Bulletin 1449, Washington, DC. There is a row of white spots along each side of the abdomen just below the wing covers, as well as two white spots on the back end of the abdomen. Each thoracic segment bears a pair of segmented legs. This can cause severe damage to the plants. To access the information, click on the map below. Common Name: Japanese beetle Scientific Name: Scarabaeidae: Popillia japonica Status: A pest of many plants, grasses and ornamentals Damaging Stage: Adult and grub Biology: The Japanese beetle is about -inch long with shiny copper-colored wing covers and a shiny green top of the thorax and head. Potter DA, Powell AJ, Spicer PG, Williams DW. Scientific name: Popillia japonica Newman. Leaves are typically skeletonized or left with only a tough network of veins. 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. Many people first became aware of Japanese beetle when they were very abundant in the Twin Cities metro area in 2011. Do adult Japanese beetles stay in one garden? The majority of grubs reach the third instar by the fall when soil temperature gradually decreases. Photograph by David Cappaert, Michigan State University, www.forestryimages.org. Its color ranges from pale cream to metallic green depending upon the age. (April 2004). The expanding area of turfgrass has also provided excellent breeding ground for the beetles whose grubs continue to be the most damaging pest of turf in the northeastern U.S. (Cranshaw 2004). Adult Japanese beetles are stocky and range from about 3/8 to 1/2 inch long. 1996). Figure 10. The USDA has provided on their website a very easy to follow and detailed handbook of ways to help curb and manage a Japanese beetle population through the use of IPM techniques and synergistic management options (USDA Japanese beetle handbook) Individuals in other states should also contact their county Cooperative Extension Service office for local. Many different plants are consumed by Japanese beetle adults, some of their favorites include roses, grapes, apple and basswood. 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