Establishment and dispersal of the biological control weevil Rhinoncomimus latipes on mile-a-minute weed, Persicaria perfoliata

Lake, Ellen C.; Hough-Goldstein, Judith; Shropshire, Kimberley J.; D’Amico, Vincent

doi:10.1016/j.biocontrol.2011.05.005

Cited by 21 publications

(31 citation statements)

References 27 publications

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“…Because R. latipes populations are able to complete at least three or four overlapping generations during a growing season (Lake et al 2011), Interactive effects of light 109 they may be selecting sunny areas where generally warmer temperatures would allow for more rapid growth and development, giving weevils in the sun a selective advantage with respect to increased reproductive output over the course of the season compared to those in cooler shaded areas. Similar positive response to sunny areas or to plants growing in full sun has been observed for other insects, including the St. Johnswort beetle, C. quadrigemina (Clark 1953;Huffaker and Kennett 1959;Huffaker 1967), Euphydryas chalcedona Doubleday butterflies (Williams 1983;Lincoln and Mooney 1984), Acalymma innubum (Fab.)…”

Section: Discussionmentioning

confidence: 99%

“…Plant host selection in this species is strictly by ovipositing females, since larvae feed internally and complete their development on a single plant. Weevils are somewhat sedentary, but are known to disperse among host plants through walking and flight (Lake et al 2011).…”

Section: Discussionmentioning

confidence: 99%

“…Nodes are permanently scarred by larvae entering or exiting the stem, leaving a season-long record of their presence. The weevils go through at least three or four overlapping generations during the growing season in the Mid-Atlantic region, USA, with each generation taking about 1 month to develop (Lake et al 2011). Adults stop producing eggs between late August and late September, and adult weevils overwinter in the leaf litter or soil.…”

Section: Study Organismsmentioning

confidence: 99%

“…Persicaria perfoliata was accidentally introduced in southeastern PA, USA, in the 1930s (Moul 1948) and has been expanding its range since then. It is currently found in 12 states in North America (Lake et al 2011), most recently North Carolina (Poindexter 2010. Throughout its North American range, milea-minute weed can form dense monocultures, inhibiting both commercial reforestation and natural forest regeneration, interfering with recreational use of natural areas, reducing quality wildlife habitat and potentially reducing populations of native flora (Mountain 1989;McCormick and Hartwig 1995;Wu et al 2002;Hough-Goldstein et al 2008a).…”

Section: Introductionmentioning

confidence: 98%

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Interactive effects of light environment and herbivory on growth and productivity of an invasive annual vine, Persicaria perfoliata

Hough-Goldstein

LaCoss²

2011

Arthropod-Plant Interactions

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Plant populations often exist in spatially heterogeneous environments with varying light levels, which can affect plant growth directly through resource availability or indirectly by altering behavior or success of herbivores. The plant vigor hypothesis predicts that herbivores are more likely to attack vigorously growing plants than those that are suppressed, for example in more shaded conditions. Plant tolerance of herbivory can also vary under contrasting resource availability. Observations suggest that damage by Rhinoncomimus latipes Korotyaev (Coleoptera: Curculionidae), introduced into the United States in 2004 as a biological control agent for mile-a-minute weed (Persicaria perfoliata [L.] H. Gross), is greater in the sun than in shade. We compared weevil densities and plant growth in paired plots in full sun or under shade cloth; a second experiment included insecticide-treated plots in sun and shade, to assess the ability of the plant to compensate for herbivore damage. Greater density of weevils and more node damage (indicating internal larval feeding) were found on P. perfoliata plants growing in sun than on those in shade. Nodes were 14% thicker in the sun, which may have provided better larval habitat. Biomass produced by plants without weevils in the sun was about twice that produced in any other treatment. Herbivory had a greater effect on plant growth in the high-light environment than in the shade, apparently because of movement into the sun and increased feeding there by the monophagous herbivore, R. latipes. Results support the plant vigor hypothesis and suggest that high weevil densities in the sunny habitats favored by P. perfoliata can suppress plant growth, negating the resource advantage to plants growing in the sun.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Study Organismsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

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Interactive effects of light environment and herbivory on growth and productivity of an invasive annual vine, Persicaria perfoliata

Hough-Goldstein

LaCoss²

2011

Arthropod-Plant Interactions

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“…Mean (±SE) number of Persicaria perfoliata seedlings counted in May each year at three replicated release sites (oneway ANOVA by year at each site, Tukey's test used for mean separation, P B 0.05; Lake 2011;Lake et al 2011) …”

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confidence: 99%

Status of an ongoing biological control program for the invasive vine, Persicaria perfoliata in eastern North America

2011

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Mile-a-minute weed, Persicaria perfoliata (L.) H. Gross (Polygonaceae), an aggressive annual vine native to Asia, has invaded forest edges, light gaps, open fields, and riparian borders in eastern North America. It was accidentally introduced into Pennsylvania in the 1930s and has since expanded its range north to Massachusetts, south to North Carolina, and west to Ohio. A biological control program was initiated in 1996, and in 2004, a permit was issued for release of Rhinoncomimus latipes Korotyaev (Coleoptera: Curculionidae), a host-specific weevil initially collected in China. Since 2004, the biology of the weevil in its introduced range has been studied, along with its impact on P. perfoliata, which can be substantial. Weevils have been released in ten states through 2010, and populations have increased considerably at many sites. Although P. perfoliata continues to expand its North American range, natural and human-assisted dispersal of R. latipes is reducing its negative effects. Here we review and assess the current status of the biological control program.

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Aerial release of Rhinoncomimus latipes (Coleoptera: Curculionidae) to control Persicaria perfoliata (Polygonaceae) using an unmanned aerial system

Park

Gururajan

Thistle

et al. 2017

Pest Management Science

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BACKGROUND: Rhinoncomimus latipes (Coleoptera: Curculionidae) is a major biological control agent against the invasive plant Persicaria perfoliata. Release of R. latipes is challenging with the current visit-and-hand release approach because P. perfoliata shows a high degree of patchiness in the landscape, possesses recurved barbs on its stems, and often spreads into hard-to-access areas. This 3-year study developed and evaluated unmanned aerial systems (UAS) for precise aerial release of R. latipes to control P. perfoliata. RESULTS:We have developed two UAS (i.e. quad-rotor and tri-rotor) and an aerial release system to disseminate R. latipes. These include pods containing R. latipes and a dispenser to accommodate eight pods. Results of field tests to evaluate the systems showed no significant (P > 0.05) effects on survivorship and feeding ability of R. latipes after aerial release. CONCLUSION: Our study demonstrates the potential of UAS for precision aerial release of biological control agents to control invasive plants. The aerial deployment systems we have developed, including both pods and a dispenser, are low cost, logistically practical, and effective with no negative effects on aerially released R. latipes.

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Establishment and dispersal of the biological control weevil Rhinoncomimus latipes on mile-a-minute weed, Persicaria perfoliata

Cited by 21 publications

References 27 publications

Interactive effects of light environment and herbivory on growth and productivity of an invasive annual vine, Persicaria perfoliata

Interactive effects of light environment and herbivory on growth and productivity of an invasive annual vine, Persicaria perfoliata

Status of an ongoing biological control program for the invasive vine, Persicaria perfoliata in eastern North America

Aerial release of Rhinoncomimus latipes (Coleoptera: Curculionidae) to control Persicaria perfoliata (Polygonaceae) using an unmanned aerial system

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