The primary means of introduction in all areas outside its native range is through importation and sale of infested boxwood and box tree nursery stock. Means of Introduction or Spread: On its own, box tree moth can move approximately 5 miles per year. Because there are no natural predators in Michigan, box tree moth can reach large population densities, limited only by available food sources. Once the leaves are gone, larvae consume the bark, leading to girdling and plant death. Local Concern: The caterpillars feed mostly on boxwood, and heavy infestations can defoliate host plants. Under the quarantine, the whole plant, plant parts, and nursery stock of the genus Buxus, including all living and dead material, cannot be moved outside of the quarantined area. Michigan Interior Quarantine: Effective April 10, 2023, the Michigan Department of Agriculture and Rural Development has issued an interior quarantine for invasive box tree moth (Cydalima perspectalis) after multiple detections of the invasive species were found in Lenawee county in 2022. The quarantined area includes the entire counties of Lenawee and Washtenaw, the county of Monroe west of US-23 and north of River Raisin, and the county of Jackson south of 1-94 and east of US-127. Michigan Status: Box tree moth is considered an invasive species in Michigan. A barebones kit has more flexibility, as well as (usually) more power. Michigan Distribution: USDA-APHIS and the Michigan Department of Agriculture and Rural Development are working to track the distribution of potentially affected plants in Michigan. It's inexpensive, has access to all the apps you need and can be powered from a USB socket built into the same TV. (Note: Box tree moth is established in Canada near the United States close to its border with Niagara County, NY, and Detroit, MI.) Distribution: Box tree moth has established populations in New York state. In 2018, it was found in the Toronto area of Canada. Native Range: Box tree moth is native to East Asia and has become a serious invasive pest in Europe, where it continues to spread. Habitat: Box tree moth and its caterpillars feed on nearly all boxwood or box species, regardless of soil, shade or moisture conditions. ![]() If you see signs of box tree moth or its caterpillars on your boxwood plants, please take photos and submit a report through Michigan's Eyes in the Field online reporting system. The photo on the left shows a healthy boxwood, and the photo on the right shows a boxwood heavily damaged by box tree moth caterpillars. Photos courtesy of the U.S. ![]() Photo courtesy of Szabolcs Sáfián, University of West Hungary, .īox trees or boxwoods (Buxus spp.) are small, leaved evergreen trees or shrubs generally used in landscaping. Some box tree moths are entirely brown except for the white forewing spot. Photo courtesy of Szabolcs Sáfián, University of West Hungary,. Photo courtesy of Ferenc Lakatos, Soporon University, .īox tree moths are generally white with a brown border and a white “comma” on each forewing. ![]() Box tree moth caterpillars are green and yellow with white, yellow and black stripes and black spots.
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