Results 11 to 20 of about 1,364 (187)

Variação espaço-temporal na atividade forrageira da Saúva (Atta laevigata) [PDF]

Acta Amazonica, 2002
Na Amazônia, a regeneração natural da floresta em pastos e cultivos abandonados pode ser afetada pelas saúvas, pois estas são importantes predadoras das plântulas e das sementes das espécies arbóreas que eventualmente ali se estabelecem.
Heraldo L. VASCONCELOS
doaj   +4 more sources

Eficiência de produtos termonebulígenos no controle de Atta laevigata (Hymenoptera: Formicidae) em plantio de eucalipto Efficiency of products for thermonebulization on the control of Atta laevigata (Hymenoptera: Formicidae) in eucalypus plantations [PDF]

Ciência e Agrotecnologia, 2008
Avaliou-se a eficiência de produtos termonebulígenos, a base de clorpirifós ou de extratos vegetais, comparativamente ao uso de isca formicida, a base de sulfluramida, no controle de Atta laevigata (F. Smith, 1858) (Hymenoptera: Formicidae). Foi avaliada
Ronald Zanetti, José Cola Zanuncio, Alan Souza-Silva, Lúcia Aparecida Mendonça, Jorge Olavo Souza Mattos, Muriel Santos Rizental   +5 more
doaj   +4 more sources

Deciphering the chemical phenotype in Atta laevigata (Smith, 1858) (Hymenoptera: Formicidae): A relationship between polymorphism and cuticular hydrocarbons [PDF]

Papéis Avulsos de Zoologia, 2022
In the Attina subtribe the division of labor among workers is based on different tasks performed by morphological subcastes. Considering that cuticular chemical compounds play important roles as protection against water loss and mediates interactions ...
Poliana Galvão dos Santos, Elane Galvão dos Santos, Ingrid de Carvalho Guimarães, Kamylla Balbuena Michelutti, Claudia Andrea Lima Cardoso, William Fernando Antonialli-Jr.   +5 more
doaj   +3 more sources

The mitochondrial genome of the leaf-cutter ant Atta laevigata: a mitogenome with a large number of intergenic spacers. [PDF]

PLoS ONE, 2014
In this paper we describe the nearly complete mitochondrial genome of the leaf-cutter ant Atta laevigata, assembled using transcriptomic libraries from Sanger and Illumina next generation sequencing (NGS), and PCR products.
Cynara de Melo Rodovalho, Mariana Lúcio Lyra, Milene Ferro, Maurício Bacci   +3 more
doaj   +2 more sources

Trichome Removal by Hitchhikers in Two Leaf-cutting Ant Species (Hymenoptera: Formicidae) [PDF]

Sociobiology, 2014
Despite the known evidence that hitchhiker ants protect workers against attack by phorid parasitoids, several alternative hypotheses are suggested for the occurrence of hitchhikers on leaf-cutting ants. One hypothesis suggests that hitchhikers clean leaf
Leandro Sousa-Souto
doaj   +3 more sources

Atividade inseticida de Eugenia uniflora L. e Melia azedarach L. sobre Atta laevigata Smith [PDF]

Floresta e Ambiente, 2013
As formigas cortadeiras estão entre os principais insetos pragas das florestas plantadas brasileiras, causando danos econômicos desde a implantação até a sua colheita.
Paulo Henrique Jung, Ana Cláudia da Silveira, Erick Martins Nieri, Michele Potrich, Everton Ricardi Lozano da Silva, Margarida Refatti   +5 more
doaj   +3 more sources

First record of the occurrence and abundance of phorids (Diptera: Phoridae) associated with leaf-cutting ants of the genus Atta (Hymenoptera: Formicidae) in the municipality of Cruz das Almas-BA [PDF]

Sociobiology, 2020
As formigas cortadeiras do gênero Atta são consideradas uma das principais pragas florestais e agrícolas. Atualmente, o controle químico com iscas granuladas é considerado o mais eficiente, porém, com a adoção inadequada de manejo pode prejudicar ...
Tamires Doroteo Souza, Rozimar Campos Pereira   +1 more
doaj   +3 more sources

Black Fungi and Hydrocarbons: An Environmental Survey for Alkylbenzene Assimilation. [PDF]

Microorganisms, 2021
Environmental pollution with alkylbenzene hydrocarbons such as toluene is a recurring phenomenon. Their toxicity and harmful effect on people and the environment drive the search for sustainable removal techniques such as bioremediation, which is based ...
Baron NC, Pagnocca FC, Otsuka AA, Prenafeta-Boldú FX, Vicente VA, Attili de Angelis D.   +5 more
europepmc   +3 more sources

Isocycloseram: A new active ingredient for leaf-cutting ants control. [PDF]

PLoS ONE
Leaf-cutting ants are the most important pests in several cropping systems in the Neotropics. Granulated baits containing active ingredients, considered hazardous by the Stockholm Convention, are the usual method to control these ants. Isocycloseram is a
Ronald Zanetti, Jessica J Sanches, Andrea V A Wenzel, Khalid Haddi, Henrique Ferreira, Leandro V Santos   +5 more
doaj   +2 more sources

Mandible elemental composition and mechanical properties from distinct castes of the leafcutter ant Atta laevigata (Attini; Formicidae). [PDF]

Interface Focus
Leafcutter ant colonies are divided into castes with the individuals performing different tasks, based mostly on size. With the mandibles, the small minims care for the brood or the fungus, whereas the larger minors and mediae cut and transport plant material, with the ant size positively related to the material size.
Birkenfeld V, Gorb SN, Krings W.
europepmc   +3 more sources