Eficiência de iscas granuladas (sulfluramida 0,3%) no controle de Atta sexdens rubropilosa Forel, 1908 (Hymenoptera: Formicidae)

Zanetti, Ronald; Dias, Nívia da Silva; Reis, Marcelo Rodrigues dos; Souza-Silva, Alan; Moura, Michelle Alves

doi:10.1590/s1413-70542004000400021

Cited by 14 publications

(18 citation statements)

References 5 publications

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“…Pellets can be used in nests of any size [40]. Baits kill the leaf-cutting ants slowly; however, they paralyze their cutting activity within a few days [48]. Filamentous fungus, virulent to the ant symbiotic fungus, can show synergistic effect on the sulfluramid [49].…”

Section: Chemical Controlmentioning

confidence: 99%

An Overview of Integrated Management of Leaf-Cutting Ants (Hymenoptera: Formicidae) in Brazilian Forest Plantations

Zanetti

Zanúncio

Santos

et al. 2014

Forests

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Brazilian forest producers have developed integrated management programs to increase the effectiveness of the control of leaf-cutting ants of the genera Atta and Acromyrmex. These measures reduced the costs and quantity of insecticides used in the plantations. Such integrated management programs are based on monitoring the ant nests, as well as the need and timing of the control methods. Chemical control employing baits is the most commonly used method, however, biological, mechanical and cultural control methods, besides plant resistance, can reduce the quantity of chemicals applied in the plantations.

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Section: Chemical Controlmentioning

confidence: 99%

An Overview of Integrated Management of Leaf-Cutting Ants (Hymenoptera: Formicidae) in Brazilian Forest Plantations

Zanetti

Zanúncio

Santos

et al. 2014

Forests

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“…The 80% bait transport rate under the conventional treatment had been expected since prior experiments utilizing products formulated with the same active ingredient at the same concentration also obtained a high pellet transport rate in the field (Zanuncio et al, 1997;Zanetti et al, 2004). The transport of baits is one of the parameters that define treatment efficiency since the product can only act and express its potential if it is found attractive initially, accepted after investigation and then effectively transported by workers.…”

Section: Discussionmentioning

confidence: 94%

“…In the field, before application of the treatments, for each repetition one active foraging trail near its area of loose soil was selected to ensure the immediate transport of granules and to avoid competition with workers of other colonies. The parameters evaluated were: transport and devolution of the baits, foraging, presence of recent loose soil, intoxication of individuals and mortality, according to established methodology as a protocol for experiments of this nature (Zanuncio et al, 1997;Nagamoto et al, 1999;Ramos et al, 1999;Zanuncio et al, 2002;Forti et al, 2003;Zanetti et al, 2004).…”

Section: Methodsmentioning

confidence: 99%

Alternative Control of the Leaf-Cutting Ant Atta bisphaerica Forel (Hymenoptera: Formicidae) Via Homeopathic Baits

Ramos¹,

Cunha²,

Kuhn³

et al. 2013

Sociobiology

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Leaf-cutting ants are pests that afflict diverse crops, and are most efficiently controlled by chemical methods that are widely utilized. Other methods have been investigated aiming to efficiently control these insects while reducing the environmental impact of applying such chemical products. Therefore, an assay was conducted to evaluate the efficiency of baits, formulated homeopathically, in nests of the leaf-cutting ant Atta bisphaerica, in the field. Thirty (30) colonies were chosen and divided into 10 repetitions for each of the following treatments: control (without baits), standard (8 g/m2 of loose soil of baits based on sulfluramid 0.3%) and homeopathic (60 g/m2 of loose soil of homeopathic baits parceled into 20g/m2 doses applied on 3 consecutive days). At 24 hours after bait application on active foraging trails of colonies, evaluation of parameters was initiated: loading and return of the baits, foraging and mortality. The completed assay demonstrated that the transport of baits was greater in the standard (80%) than the homeopathic treatment (50%), and, to the contrary, the return of baits was significantly higher in the homeopathic treatment (15%) versus the conventional, where return/rejection did not occur. Colony mortality was 20% under the homeopathic treatment, differing statistically from the 80% value produced by the standard treatment. Thus, the homeopathic treatment is not demonstrated to be efficient at controlling leaf-cutting ants, suggesting new studies with different methodologies.

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“…Resultados semelhantes foram encontrados em 24 horas (59,89% e 64,27%) e 48 horas (68,60% e 75,33%) por REIS (2009). Os valores encontrados foram inferiores ao de transporte médio após 24 horas da aplicação localizada nos ninhos (85,93%) encontrado por Zanetti et al (2004). Isto mostra que a eficácia do controle pode estar relacionada à atratividade da isca e ao potencial de forrageamento das formigas cortadeiras LOPES et al, 2003;PODEROSO et al, 2009;RIBEIRO et al, 2009;URBAS et al, 2007).…”

Section: Resultsunclassified

Aplicação Sistemática Mecanizada De Isca Formicida Granulada Em Eucaliptais Em Fase De Manutenção

Reis

Cunha

Zanetti

et al. 2015

CERNE

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RESUMO:O controle sistemático mecanizado com isca formicida em eucaliptais demanda menos mão de obra, menor contaminação dos trabalhadores e maior rendimento operacional, quando comparado com o controle manual. O objetivo deste trabalho foi avaliar a mortalidade de ninhos de formigas cortadeiras com aplicação sistemática mecanizada de isca formicida em três espaçamentos em eucaliptais em fase de manutenção, a capacidade operacional da aplicação mecanizada e a qualidade de distribuição de isca ao longo da área. O experimento foi realizado no município de Paraopeba, Minas Gerais, em talhões de eucaliptos em fase de manutenção. Foi aplicado 1 kg.ha -1 de isca formicida granulada a base de sulfluramida (0,3%) sistematicamente a cada 6 x 2,5 m, 9 x 2,5 m e 12 x 2,5 m, com um equipamento de aplicação acoplado ao sistema hidráulico de um trator, constituindo três tratamentos com cinco repetições. Foram selecionados e marcados ninhos com tamanho de até um metro quadrado de área de terra e avaliado sua inatividade aos 60 e 210 dias após aplicação da isca formicida. Também foram avaliadas a percentagem de carregamento da isca, a capacidade operacional da operação mecanizada e a qualidade do processo de distribuição da isca, por meio de cartas de controle. Verificou-se que os diferentes espaçamentos empregados não influenciaram a eficácia de controle. O maior espaçamento empregado proporcionou maior capacidade operacional (8,42 ha . h -1 ). A aplicação sistemática mecanizada proporcionou boa qualidade de distribuição, sob ponto de vista do controle estatístico de processo, constituindo alternativa viável a aplicação manual. MECHANIZED SYSTEMATIC APPLICATION OF GRANULETED ANTS BAITS IN EUCALYPTUS PLANTATIONS IN MAINTENANCE PHASEABSTRACT: Compared to manual control, systematic control WITH ant bait requires less labor, results in lower exposure of workers and increases operating YIELD. This study aimed to evaluate the mortality of leaf-cutting ants nests with a mechanized systematic application of ant bait in three spacings on eucalyptus plantations in maintenance phase, the operational capability of mechanized application and the quality of the distribution of bait throughout the area. The experiment was conducted in the city of Paropeba, Minas Gerais, Brazil, in stands of eucalyptus plantations in maintenance phase. A sulfluramid (0.3%) based bait was systematically applied at 1 kg . ha -1 every 6 x 2.5 9 x 2.5 and 12 x 2.5 meters, with an application equipment attached to the hydraulic system of a tractor, comprising three treatments with five repetitions. Nests with a size of up to one square meter of land area were selected and marked and evaluated their inactivity at 60 and 210 days after bait application. The percentage of bait loading, the operational capability of the mechanized process and the quality of the distribution process of the bait were also evaluated, using control charts. It was found that the different spacings applied did not influence the effectiveness of control. The largest spacing used provided gre...

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Eficiência de iscas granuladas (sulfluramida 0,3%) no controle de Atta sexdens rubropilosa Forel, 1908 (Hymenoptera: Formicidae)

Cited by 14 publications

References 5 publications

An Overview of Integrated Management of Leaf-Cutting Ants (Hymenoptera: Formicidae) in Brazilian Forest Plantations

An Overview of Integrated Management of Leaf-Cutting Ants (Hymenoptera: Formicidae) in Brazilian Forest Plantations

Alternative Control of the Leaf-Cutting Ant Atta bisphaerica Forel (Hymenoptera: Formicidae) Via Homeopathic Baits

Aplicação Sistemática Mecanizada De Isca Formicida Granulada Em Eucaliptais Em Fase De Manutenção

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