Results 1 to 10 of about 359 (98)

Contamination and mortality of leaf-cutting ant workers by the quinone inside inhibitor fungicide after social interactions [PDF]

open access: yesScientific Reports, 2023
Leaf-cutting ants of the genera Atta and Acromyrmex (Hymenoptera: Formicidae) are the most important pests in forest and agricultural plantations and livestock. Toxic baits are the main method to manage these insects.
Tamires Scudillio   +6 more
doaj   +2 more sources

Effects of Entomopathogenic Fungi on Individuals as Well as Groups of Workers and Immatures of Atta sexdens rubropilosa Leaf-Cutting Ants [PDF]

open access: yesInsects, 2020
In 2009, sulfluramid, the main ingredient in toxic baits for leaf-cutting ant control, was included in Annex B of the Stockholm Convention on Persistent Organic Pollutants.
Luis Eduardo Pontes Stefanelli   +4 more
doaj   +2 more sources

Nest Digging by Leaf-Cutting Ants: Effect of Group Size and Functional Structures

open access: yesPsyche: A Journal of Entomology, 2012
Leaf-cutting ant workers dig underground chambers, for housing their symbiotic fungus, interconnected by a vast quantity of tunnels whose function is to permit the entrance of food (leaves), gaseous exchanges, and movement of workers, offspring, and the ...
Roberto da Silva Camargo   +2 more
doaj   +2 more sources

Oviposition, Life Cycle, and Longevity of the Leaf-Cutting Ant Acromyrmex rugosus rugosus [PDF]

open access: yesInsects, 2017
Studies related to the demography of individual members from ant colonies have received little attention, although they are the basis to understanding the population dynamics of colonies.
Sandra S. Verza   +4 more
doaj   +2 more sources

Identificação de populações de insetos-pragas na cultura do pepino após aplicação foliar de microrganismos eficientes (EM)

open access: yesDiversitas Journal, 2022
O interesse no emprego de microrganismos aumentou significativamente nos últimos anos, tanto na promoção de crescimento vegetal como no controle biológico de pragas e doenças de plantas.
Jessica Maria Bezerra Do Espirito Santo   +3 more
doaj   +3 more sources

Communication or Toxicity: What Is the Effect of Cycloheximide on Leaf-Cutting Ant Workers?

open access: yesInsects, 2017
Leaf-cutting ants are insects that use plant material to grow fungus from which they feed. These fungus-growing ants perform various behavioral activities to establish an environment conducive to the fungus.
Kátia Kaelly Andrade Sousa   +2 more
doaj   +2 more sources

Predatory Behavior of Canthon virens (Coleoptera: Scarabaeidae): A Predator of Leafcutter Ants

open access: yesPsyche: A Journal of Entomology, 2012
We present a detailed description of the predatory behavior of the beetle Canthon virens Mannerheim, 1829, on the leafcutter ant Atta sp. We observed 51 acts of predation, which were also recorded on film and subjected to behavioral analysis.
Luiz Carlos Forti   +3 more
doaj   +2 more sources

Custos de armadilhas adesivas artesanais para a captura de insetos-praga

open access: yesAgropecuária Catarinense, 2021
Armadilhas adesivas coloridas podem ser usadas no monitoramento e no controle de insetos-praga em cultivos agrícolas e em áreas urbanas. Neste trabalho calcularam-se os custos de dois modelos de armadilhas adesivas artesanais feitas com cola entomológica
Janaína Pereira dos Santos   +2 more
doaj   +3 more sources

Evolução dos Insetos-Praga na Cultura da Soja no Mato Grosso

open access: yesEntomoBrasilis, 2012
O presente trabalho apresenta o desenvolvimento da cultura da soja no estado de Mato Grosso quanto aos insetos-praga associados a essa cultura. Constatou-se que em 1978 essa cultura apresentava seis espécies-pragas principais e nenhuma praga secundária ...
Aleson Wiest, Marliton Barreto
doaj   +6 more sources

CUCURBITACINAS COMO FATOR DE RESISTÊNCIA A INSETOS-PRAGA

open access: yesRevista Caatinga, 2007
The 20th century was marked by great discovers, which had a deep impact on plants resistance against pest insects. In this context, high studies were developed about cucurbitacins, an important group of secondary substances produced by plants.
Luciano Pacelli Medeiros Macedo   +2 more
doaj   +2 more sources

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