Bookmark. When the eggs hatch, the larvae bore into the stem to complete their development, feeding on the stems between the nodes. Biocontrol: The Mile-a-Minute Weevil. Bob Trumbule is an entomologist. . Verified by V. Belov/BugGuide. The weevil Rhinocominus latipes has been studied and tested for biological control of Mile-a-Minute. . The practice has been successfully employed in multiple infested sites in the U.S. Widely dis- tributed throughout eastern Asia, it was introduced into York County, Pennsylvania from Japan in the mid- 1930s. Shaded and unshaded cages connected by a mesh tube, used to determine weevil response to light and host plant cues. The weevils are active from early spring through the fall, completing multiple generations. A Mile-a-minute Weevil on Asiatic Tearthumb (Mile-a-minute Weed) in Kent Co., Maryland (5/15/2014). Community ♦ 1. answered Sep 21 '11 at 13:31. bstpierre bstpierre. Photo by Steve Scholnick. After the mile-a-minute plants were killed, weevil numbers in the plots plummeted to nearly zero. It’s called mile-a-minute weed. Quote. Whereas prerelease studies showed feeding at low levels on 9 of the 13 plant species tested here, under open field conditions R. latipes did not feed on any nontarget plant species and dispersed from these plants. When the egg hatches, the larvae feeds on the nodes of the stem and pupate in the soil. The new vine I found in the back doesn't either and I think pulling it will be an effective way to keep it out. . View All Images. It's posted and infested with poison ivy, which is why I get so much of it I guess. Experimental set-up to determine weevil and mile-a-minute response to artificially applied shade in the field. Mile-a-minute can be effectively managed by a specialist weevil (Rhinoncomimus latipes), a biocontrol agent that can lay eggs specifically on this weed and feed on it without harming other plant species. Mile-a-Minute Weed Mile-a-Minute Weed, Polygonum perfoliatum, can grow up to six inches per day, with mature plants reaching six feet. Mile-a-minute can also be a problem in untilled agricultural areas such as Christmas tree farms and reforestation seedling plantations. Use of images featured on Maryland Biodiversity Project is only permitted with express permission of the photographer. Mile-a-minute weed, Persicaria perfoliata (Polygonaceae), is an annual vine that has been a pest in the eastern United States since its accidental introduction from Asia into York County, Pennsylvania, in the 1930s. The adult weevils feed on the leaves of mile-a-minute weed and females lay eggs on the leaves and stems. 1989; Sook and Myung 1992; Yang and Kim 1993; Zhu 1989), or as an edible wild fruit (Bajracharya 1980). Mile-a-minute Weevil, Rhinocominus latipes, adult on mile-a-minute. of CT) and Carole Cheah (CT Agricultural Experiment Station) • Funded in part by USDA APHIS PPQ • Weevils provided by NJ Dept. With mile-a-minute, birds are another vector that you can't control. A Mile-a-minute Weevil in Montgomery Co., Maryland (6/23/2019). Mile-a-minute Weed Biological Control . Tag Archives: mile-a-minute weevil. . Note the recurved barbs. Mile-A-Minute Weevil Mile-A-Minute Weevil eats Mile-a-Minute weed (Polygonum perfoliatum) in eastern Asia where they are both native. ..... 39 Figure 42. The Forest Service launched a program of testing the beetle, which they dubbed the mile-a-minute weevil of MAM weevil for short. . The idea is to restore balance. "It's kind of like an arms race," Dionigi said. Therein lies the problem: they do spread. . For the mile-a-minute, it may not have the same root structure as our field bindweed. . “So now we’re getting into the mile-a-minute here. of Ag and Univ. This small weevil is host-specific to mile-a-minute weed and has been successfully released and recovered in multiple locations in the U.S. Weevil adults feed on mile-a-minute foliage, and larvae feed within nodes and can suppress growth and reduce seed production. Unfortunately, there is a lot more weed than weevil, so we need to continue to increase the weevil population here. The weevils were released in designated plots in the infested area. To successfully manage the plant and limit seed production, these methods must be employed early and often. Mile-a-minute weevils (Rhinocominus latipes Korotyaev) are black weevil and are used to control mile-a-minute. Mile-a-minute weed Biological Control Mile-a-minute weed, Persicaria perfoliata (L.) H. Gross (= Polygonum perfoliatum L.) (MAM) is an invasive, annual vine in the family Polygonaceae. Either way, not even the most optimistic think the weevil will expunge mile-a-minute from the landscape. The MAM weevil is now being reared by the NJ Department of Agriculture. Ellen Lake, University of Delaware, Bugwood.org. Reports of Mile-A-Minute Vine Raleigh Weevil Releases, 2011 • 5/12/111000 Alleghany Co, – Research releases by Matthew Swain, ASU • 5/26/11200 Alleghany Co. • 5/26/11200 Yancey Co. • 9/9/11 1000 Alleghany Co. MAM Weevil Releases in NC May and September 2011 Alleghany Co Infestation Elk Creek . Specialists with the NCDA&CS Biological Control Program began making releases of the weevil in Spring 2011. share | improve this answer | follow | edited Apr 13 '17 at 12:42. The results were encouraging; the beetle is reproducing well and it seems to have some impact on the plant. . The adult weevil feeds on the leaves and lays eggs on stems. Photo by Missy Kalb. It lays eggs in the plant stem, which the subsequent larvae weaken as they develop and begin to feed. Scientific Name: Persicaria perfoliata (L.) H. Gross (formerly known as Polygonum perfoliatum L.) (ITIS) Common Name: Mile-a-minute weed or vine, Asiastic tearthumb. It can climb over, and shade out native plants at the edges of woods, along stream banks, and roadsides. Descriptor: Larva(e) Description: late stage larvae Image type: Laboratory. Enter the modest weevil, which eats one thing and one thing only: the mile-a-minute weed. He leads me through a stream valley north of Washington DC where blackberries and small trees are being swallowed up by this invasive vine. Mile-a-minute has been a growing problem in the eastern U.S. since the 1930s, when the vine, native to eastern nations including Japan, Russia and India, was first detected there. Mile-a-minute weed control is possible. The weevil begins to feed on mile-a-minute leaves in early spring and continues all season. Native To: Asia . Invasive Plants in Northern Virginia: Mile-a-Minute Weed . . . weevil feeds only on mile-a-minute vine, and does not harm other plants, people, or livestock. You'll have to be constantly vigilant and attack any future weeds that pop up before they have to a chance to spread out of control. . In its native eastern Asia, mile-a-minute is considered beneficial and has been used as an herbal medicine for over 300 yr (He et al. Mile a Minute Weed Control. Mile-a-minute vine, foliage - Photo by Britt Slattery; U.S. Mile-a-minute weeds grow happily in any disturbed area and invade forested floodplains, streamside wetlands and upland woods. I have a wooded area behind me, but I don't usually go back there. 1984; Hoque et al. A weevil on a partially eaten mile-a-minute vine at the Gimbel Sanctuary on Wednesday, July 21, 2010. mile-a-minute weevil Rhinoncomimus latipes Korotyaev, 1997. Traditional control of Mile-a-Minute vine in the United States involves hand-pulling, mowing, targeted grazing, and herbicide application, each method having its benefits and issues. Date of U.S. Introduction: 1930s . Contact: Robert Trumbule, Maryland Department of Agriculture | Robert.Trumbule@Maryland.gov. In 2004, when researchers were confident enough of the results, they began introducing batches of this beetle to several sites in New Jersey. Photographer: Amy Diercks. . . The adults overwinter in the leaf litter at the ground surface. After the introduction of Mile-a-Minute weed into the US, researchers from the Animal and Plant Health Inspection Service went looking for a potential biocontrol agent. Once established the plant is hard to eradicate. . Research on the weevil started in 1996 by the US Forest Service. Persicaria perfoliata (mile-a-minute) is a noxious weed present throughout the Mid-Atlantic and is of serious concern in the Chesapeake Bay watershed.Also known as devil’s tear-thumb, this invasive plant is native to India and Eastern Asia and was accidentally introduced into the United States via contaminated holly seed sent to a nursery in York County, Pennsylvania, in 1930. You must attribute the work in the manner specified (but not in any way that suggests endorsement). The mile-a-minute weevil, Rhinocominus latipes Korotyaev, is a 2 mm long, black weevil which is often covered by an exuded orange film produced from the mile-a-minute plants it feeds on. We do not see commercial sources of this weevil available for homeowner use; indications from a 2015-revised USDA publication indicate that permits would be needed for transport of this insect from rearing labs across state lines. Mile-a-minute Weevil (Rhinoncomimus latipes) Donna Ellis (Univ. Persicaria perfoliata (mile-a-minute) is a noxious weed present throughout the Mid-Atlantic and is of serious concern in the Chesapeake Bay watershed. It's an annual and is killed by even a mild frost, but the seeds retain viability for up to 6 years. Posted on January 20, 2020 by MGNV Webmaster. It forms dense monocultures, scrambling over and suppressing other plants and preventing tree regeneration. Since then the plant has grown largely unchecked, blanketing entire areas in spiny green stems. Post #3660094. Mile-a-Minute Weevil – Rhinoncomimus latipes | August 20, 2012 | Maryland Invasive Species Council. Continue reading → Share with others! Means of Introduction: Introduced accidentally as a contaminant of nursery stock . R. Trumbule, MD Department of Agriculture . Invasive Plants in Northern Virginia: Mile-a-Minute. Fish and Wildlife Service. Mile-a-minute weed produces small, edible blue berries and is spread by birds, mammals and insects. 38 Figure 41. If you are interested in getting rid of mile-a-minute weeds in your garden or backyard, don’t despair. The plant also serves as a suitable food source for a diverse group of mammals, birds, and insects. The likelihood of finding more weevils on mile-a-minute compared to nontarget plant species was 31.0% at 3 h and increased to 96.5% at 44 h after release. 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