Toxicity of the Herbicide Glufosinate-Ammonium to Predatory Insects and Mites of &lt;I&gt;Tetranychus urticae&lt;/I&gt; (Acari: Tetranychidae) Under Laboratory Conditions

Ahn, Young‐Joon; Kim, Young-Joon; Yoo, Jeong Joon

doi:10.1603/0022-0493-94.1.157

Cited by 53 publications

(35 citation statements)

References 27 publications

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“…It was not possible to measure any possible effects of the transgenic trait on arthropods as the field was sown with the same GMHT variety in the three years; a direct effect of the broad-spectrum herbicide in comparison with the pre-emergence herbicide treatment was not likely to occur according to most of the records in the literature. Only in a few cases have lethal and sublethal effects of broad-spectrum herbicides on natural enemies been recorded (Franz et al, 1997;Ahn et al, 2001;Michalková & Pekár, 2009;Schneider et al, 2009;Evans et al, 2010). Andow (1991) attempted to describe relationships between abundance of weeds and response of arthropods, predicting fewer arthropod pest outbreaks in polycultures (spatially intimate mixtures of different plant species with maximum temporal overlap) than in monocultures (the corresponding bare-ground single-crop fields).…”

Section: Discussionmentioning

confidence: 99%

Changes in Arthropod Fauna From Weed Management Practices in Genetically Modified Herbicide-Tolerant Maize

Albajes¹,

Lumbierres²,

Pons³

et al. 2014

JAS

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Genetically modified maize tolerant to broad-spectrum herbicides may greatly alter weed flora composition, abundance and therefore affect organisms of higher trophic levels, including herbivore and detritivore arthropods and their natural enemies. This three-year study measured the effects on arthropods of an intensive use of broad-spectrum herbicides in comparison with one application of conventional pre-emergence herbicide. Numbers of arthropods were measured by three techniques: visual counts on plants, catches in pitfall and yellow sticky traps. Weed density was much higher in conventional treatment in the first year, showed significant difference in the second year, but was no significant difference in the third year. Counts of arthropod taxa were significantly different only in the first year in the two kinds of weed management systems. In visual counts Cicadellidae and Aphididae among herbivores, the two main generalist predators, Orius spp. and Araneae, and the family Coccinellidae were more abundant on plants treated twice with glyphosate. In pitfall there were higher records in glyphosate-treated plots for Myriapoda but the opposite was seen for Carabidae counts. The yellow sticky traps catches were higher in the glyphosate-treated plots for Cicadellidae and Mymaridae, and lower for Thysanoptera. Most of the significant differences found between herbicide regimes disappeared when abundances of weeds (monocotyledons and dicotyledons) were introduced into the analysis as covariates; this finding signals weed abundance as the main cause of arthropod abundance alteration. However, only a drastic alteration of weed abundance causes significant changes in arthropod densities.

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Section: Discussionmentioning

confidence: 99%

Changes in Arthropod Fauna From Weed Management Practices in Genetically Modified Herbicide-Tolerant Maize

Albajes¹,

Lumbierres²,

Pons³

et al. 2014

JAS

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“…) han sido recolectadas con trampas McPhail utilizando como atrayentes cariofileno, L-triptófano, fenilacetaldehído, iridodial o fosfato amónico+bórax, etc. (Hagen et al, 1976;Canard & Laudého, 1977Canard et al, 1979;Flint et al, 1979;McEwen et al, 1993aBakthavatsalam & Singh, 1996;Ahn et al, 2001;Tóth et al, 2006Tóth et al, , 2009Zhang et al, 2006b;Monserrat, 2008, etc. ) …”

Section: Datos Generales Sobre Su Biología Comportamiento Estadios unclassified

Los crisópidos de la Península Ibérica y Baleares (Insecta, Neuropterida, Neuroptera: Chrysopidae)

Monserrat¹

2016

GRAELLSIA

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RESUMENSe revisan las especies de crisópidos presentes en la fauna de la Península Ibérica e Islas Baleares donde, hasta la fecha, están representadas por 50 especies pertenecientes a 13 géneros. Tras una diagnosis de la familia y citar algunos elementos sobre su historial paleontológico y su distribución, se aportan algunos datos generales sobre su morfología y su biología, sus estadios juveniles y comportamiento, y se comenta una breve introducción sobre la historia en el conocimiento de la familia, y en particular en la Península Ibérica y Baleares. Se anotan algunas correcciones en las fechas de publicación de algunos taxa que afectan a la taxonomía, y por ello se propone a Rexa almerai (Navás, 1919) n. comb. como sinónima anterior de Rexa lordina Navás, 1920 n. syn. Se incluye una lista de las especies pertenecientes a la fauna de la Península Ibérica y Baleares, una clave de identificación de los imagos de las subfamilias, géneros y especies citadas, y una clave de sus larvas a nivel genérico. De cada una de estas especies se recopilan y se anotan todas las referencias bibliográficas existentes desde 1972, relativas a las especies de la zona estudiada, tanto con la denominación actualmente aceptada, como de sus sinonimias y/o cualquier otra combinación nomenclatural bajo las cuales han sido citadas. También de cada una de las especies se anotan los datos conocidos y los ahora aportados (299 nuevos ejemplares de 25 especies) sobre su distribución general, aspectos de su morfología externa y/o genital, así como de su variabilidad, estadios juveniles, biología, fenología y distribución altitudinal y geográfica en la península y archipiélago balear, en base a un total de 20.667 ejemplares estudiados.http://lsid:zoobank.org:pub:DAF40D47-BB5B-444B-9A3C-463BBB4F5382Palabras clave: Insecta; Neuroptera; Chrysopidae; Revisión; Taxonomía; Faunística; Morfología; Península Ibérica; Islas Baleares; España; Portugal. SUMMARY Green-lacewings (Insecta, Neuropterida, Neuroptera: Chrysopidae) of the Iberian Peninsula and Balearic IslandsThe present contribution reviews the green lacewing fauna of the Iberian Peninsula and Balearic Islands where, to date, 50 species belonging to 13 genera are known to occur. After a diagnosis of the family Chrysopidae, its paleontological history and distribution, as well as some general data on its morphology and biology, juvenile stages and behavior are presented. This general information is followed by a brief history of studies on the family, and particularly those on the Iberian Peninsula and Balearic Islands. Some corrections are reported for earlier publications dates that have undergone taxonomical changes. Thus, Rexa almerai (Navás, 1919) n. comb. is proposed as junior synonym of Rexa lordina Navás, 1920 n. syn.; and is included in the list of chrysopid species belonging to the fauna of the Iberian Peninsula and Balearic Islands. A key for identifying imagoes of the subfamilies, genera, and species recorded from the region and a generic level key for the larvae are presented. For th...

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“…Some evidence suggests that glyphosate may be directly toxic to at least one species of predatory mite, Neoseiulus fallacis (Garman) (Franz et al, 1997). By contrast, planting of glufosinate-tolerant crops may have more non-target effects because glufosinate-ammonium is directly toxic at label rates to at least two predatory mites, Amblyseius womersleyi Schicha and Phytoseiulus persimilis Athias-Henriot, and some immature stages of Harmonia axyridis (Pallas) and Orius strigicollis Poppius in the laboratory (Ahn et al, 2001). …”

Section: Arthropod Natural Enemiesmentioning

confidence: 99%

Ecological compatibility of GM crops and biological control

et al. 2009

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Insect-resistant and herbicide-tolerant genetically modified (GM) crops pervade many modern cropping systems (especially field-cropping systems), and present challenges and opportunities for developing biologically based pest-management programs. Interactions between biological control agents (insect predators, parasitoids, and pathogens) and GM crops exceed simple toxicological relationships, a priority for assessing risk of GM crops to non-target species. To determine the compatibility of biological control and insect-resistant and herbicide-tolerant GM crop traits within integrated pest-management programs, this synthesis prioritizes understanding the bi-trophic and prey/host-mediated ecological pathways through which natural enemies interact within cropland communities, and how GM crops alter the agroecosystems in which natural enemies live. Insect-resistant crops can affect the quantity and quality of non-prey foods for natural enemies, as well as the availability and quality of both target and non-target pests that serve as prey/hosts. When they are used to locally eradicate weeds, herbicide-tolerant crops alter the agricultural landscape by reducing or changing the remaining vegetational diversity. This vegetational diversity is fundamental to biological control when it serves as a source of habitat and nutritional resources. Some inherent qualities of both biological control and GM crops provide opportunities to improve upon sustainable IPM systems. For example, biological control agents may delay the evolution of pest resistance to GM crops, and suppress outbreaks of secondary pests not targeted by GM plants, while herbicide-tolerant crops facilitate within-field management of vegetational diversity that can enhance the efficacy of biological control agents. By examining the ecological compatibility of biological control and GM crops, and employing them within an IPM framework, the sustainability and profitability of farming may be improved. RightsWorks produced by employees of the U.S. Government as part of their official duties are not copyrighted within the U.S. The content of this document is not copyrighted. b s t r a c tInsect-resistant and herbicide-tolerant genetically modified (GM) crops pervade many modern cropping systems (especially field-cropping systems), and present challenges and opportunities for developing biologically based pest-management programs. Interactions between biological control agents (insect predators, parasitoids, and pathogens) and GM crops exceed simple toxicological relationships, a priority for assessing risk of GM crops to non-target species. To determine the compatibility of biological control and insect-resistant and herbicide-tolerant GM crop traits within integrated pest-management programs, this synthesis prioritizes understanding the bi-trophic and prey/host-mediated ecological pathways through which natural enemies interact within cropland communities, and how GM crops alter the agroecosystems in which natural enemies live. Insect-resistant crops can...

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Toxicity of the Herbicide Glufosinate-Ammonium to Predatory Insects and Mites of <I>Tetranychus urticae</I> (Acari: Tetranychidae) Under Laboratory Conditions

Cited by 53 publications

References 27 publications

Changes in Arthropod Fauna From Weed Management Practices in Genetically Modified Herbicide-Tolerant Maize

Changes in Arthropod Fauna From Weed Management Practices in Genetically Modified Herbicide-Tolerant Maize

Los crisópidos de la Península Ibérica y Baleares (Insecta, Neuropterida, Neuroptera: Chrysopidae)

Ecological compatibility of GM crops and biological control

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