Tools in action

Driesche, Roy G. Van; Blossey, Bernd; Simberloff, Daniel

doi:10.1002/9781118392553.ch4

Cited by 1 publication

(1 citation statement)

References 142 publications

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“…Despite concerns about the non‐target effects of biological control agents (Barratt et al, 2010 ; Howarth, 2000 ; Simberloff, 2012 ), modern biological control programs implement a system of safe guards to reduce unwarranted damage to non‐target species—particularly when the agent is being introduced from a novel region through a practice known as classical biological control (Heinz et al, 2016 ; Messing, 2001 ). As a result, the use of biological control as an alternative to other labor and chemically intensive methods is increasingly becoming a part of both conservation and organic management practices (Baker et al, 2020 ; Van Driesche et al, 2016 ).…”

Section: Introductionmentioning

confidence: 99%

Climate suitability analyses compare the distributions of invasive knotweeds in Europe and North America with the source localities of their introduced biological control agents

Andersen,

Elkinton

2023

Ecology and Evolution

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Climate suitability analyses based on ecological niche modeling provide a powerful tool for biological control practitioners to assess the likelihood of establishment of different candidate agents prior to their introduction in the field. These same analyses could also be performed to understand why some agents establish more easily than others. The release of three strains of Aphalara itadori (Shinji) (Hemiptera: Pysllidae), each from a different source locality in Japan, for the biological control of invasive knotweed species, Reynoutria spp. Houtt. (Caryophyllales: Polygonaceae), provides an important opportunity to compare the utility of climate suitability analyses for identifying potential climate‐based limitations for successful biological control introductions. Here, we predict climate suitability envelopes for three target species of knotweed in Europe and two target species of knotweed in North America and compare these suitability estimates for each of these species to the source localities of each A. itadori strain. We find that source locality of one strain, the Kyushu strain, has little‐to‐no suitability compared to other locations in Japan based on knotweed records from Europe, supporting an earlier study based on North American Japanese knotweed records. The source locality of a second strain, the Murakami strain, was predicted to have medium‐to‐high suitability based on records of knotweeds from North America. In contrast, European records of Reynoutria × bohemica Chrtek & Chrtková and Reynoutria sachalinensis (F. Schmidt) Nakai predicted no suitability for this locality compared to other locations in Japan, while European records for Reynoutria japonica Houtt. predicted low suitability. The source locality of the final strain, the Hokkaido strain, was predicted as having medium‐to‐high suitability based on knotweed records of all examined species from both North America and Europe.

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