Results 21 to 30 of about 137 (128)

Adoption of a surrogate artificial queen in a colony of Atta cephalotes (L.) (Hymenoptera: Formicidae) in Colombia

open access: yesSociobiology, 2015
In nature, Atta cephalotes (L.) is a monogynous species. Each colony has a single, permanent queen fed and protected by thousands of sterile workers. At death the queen colony practically disappears.
Guillermo Sotelo   +3 more
doaj   +1 more source

Load size selection by foraging leaf‐cutter ants ( Atta cephalotes ) [PDF]

open access: yesEcological Entomology, 1986
ABSTRACT. Velocity of load‐carrying Atta cephalotes (L.) foragers increases with increasing ant size and decreasing load size.
RUDOLPH, SERI G, LOUDON, CATHERINE
openaire   +3 more sources

Bioformulado de Beauveria bassiana (ATCC MYA-4886) y Trichoderma lignorum (ATCC-8751) como biocontrolador de Atta cephalotes

open access: yesEntramado, 2019
I. La hormiga arriera está asociada a pérdidas en el sector agrícola, debido a su actividad defoliadora. El control de la especie se ha venido realizado artesanal, química y biológicamente, esta última con beneficios ambientales y de bajo riesgo para la ...
Fabián Felipe Fernández-Daza   +4 more
doaj   +1 more source

Monoculture of leafcutter ant gardens. [PDF]

open access: yesPLoS ONE, 2010
Leafcutter ants depend on the cultivation of symbiotic Attamyces fungi for food, which are thought to be grown by the ants in single-strain, clonal monoculture throughout the hundreds to thousands of gardens within a leafcutter nest.
Ulrich G Mueller   +4 more
doaj   +1 more source

Light pulses flashed to Atta cephalotes face for control in fruit trees

open access: yesIngeniería Agrícola y Biosistemas, 2023
Introduction: Worker ants follow paths to fed their nest and their eyes require to adapt themselves under light intensity variations. Objective: This proposal aims to study the effect of different illumination techniques in a trail and force ants to change of trajectory before feeding from a tree.
Federico Hahn-Schlam   +1 more
openaire   +1 more source

Los estados inmaduros de Coelosis biloba (Coleoptera: Melonthidae: Dynastinae) y notas sobre su biología

open access: yesRevista Mexicana de Biodiversidad, 2006
SE DESCRIBEN LA LARVA DE TERCER ESTADIO Y LAS PUPAS DE MACHO Y HEMBRA DE COELOSIS BILOBA (LINNÉ 1767) CON EJEMPLARES RECOLECTADOS EN COLOMBIA (CAUCA Y VALLE) Y EN MÉXICO (VERACRUZ) ASOCIADOS CON LOS HORMIGUEROS DE ATTA CEPHALOTES (LINNÉ 1750).
LUIS CARLOS PARDO LOCARNO   +2 more
doaj   +1 more source

Insecticidal and Cholinesterase Activity of Dichloromethane Extracts of Tithonia diversifolia on Atta cephalotes Worker Ants (Formicidae: Myrmicinae)

open access: yesInsects, 2020
Leaf-cutter ants are agricultural and urban pests that defy chemical control methods. Laboratory and field studies have revealed repellent and insecticidal activity by the extracts of Tithonia diversifolia (Asteraceae), known as Mexican sunflower, as a ...
Kriss D. Pantoja-Pulido   +5 more
doaj   +1 more source

Cooperative foraging of Paratemnoides nidificator (Balzan, 1888) (Pseudoscorpiones: Atemnidae) on two species of ants (Hymenoptera:Formicidae) in the tropical dry Forest, Colombian Caribbean

open access: yesIntropica, 2019
Dos nuevos casos de forrajeo cooperativo por parte de Paratemnoides nidificator (Balzan, 1888) en hormigas Atta cephalotes (Linnaeus, 1758) y Dolichoderus bispinosus (Oliver, 1792) son documentados.
Richard A. Torres   +2 more
doaj   +1 more source

Actinomicetos con actividad anti-Candida aisladas de hormigas cortadoras de hojas Atta cephalotes (Formicidae: Myrmicinae: Attini)

open access: yesRevista Peruana de Medicina Experimental y Salud Pública, 2018
Objetivos. Aislar, seleccionar e identificar actinomicetos asociados a hormigas cortadoras de hojas Atta cephalotes (Linnaeus, 1758), que presenten mayor actividad anti-Candida. Materiales y métodos. Estudio transversal realizado en hormigas recolectadas
Cindy Abigail Gutierrez-Espinoza   +1 more
doaj   +1 more source

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