Results 61 to 70 of about 267,496 (222)

Control failure risk, resistance and enzymatic activity of neurotoxic insecticides in Brazilian populations of Leucoptera coffeella (Lepidoptera: Lyonetiidae)

open access: yesPest Management Science, Volume 82, Issue 6, Page 5757-5766, June 2026.
Bioassays of 36 Leucoptera coffeella populations revealed resistance to neurotoxic insecticides, control failures of ≤62.9% and enzyme activity variation, with particularly high GST and low AChE levels. Abstract Background Leucoptera coffeella is a key pest of coffee crops in Brazil, causing significant damage by mining coffee leaves.
Daianna P. Costa   +6 more
wiley   +1 more source

Nuevos datos sobre la edad del Solutrense y Magdaleniense medio cantábrico. Las fechas C-14 de la Cueva de Las Caldas (Oviedo. España)

open access: yesZephyrus, 2009
La cueva de Las Caldas (San Juan de Priorio, Oviedo) está situada en las inmediaciones de la localidad de Las Caldas, de la que dista sólo 1.200 m. La cavidad se abre en la parte inferior de un pequeño valle de la margen izquierda del río Nalón, por el ...
Francisco JORDÁ CERDÁ   +2 more
doaj  

Rickettsiales in South America: A Systematic Review of Their Molecular Detection and Distribution in Arthropods and Vertebrates

open access: yesPublic Health Challenges, Volume 5, Issue 2, June 2026.
ABSTRACT Bacteria of the order Rickettsiales comprise a diverse group of obligate intracellular microorganisms that are globally distributed and highly prevalent in tropical and subtropical regions. In South America, these bacteria have been associated with arthropod vectors, such as ticks, fleas, mites, lice, and certain dipterans, as well as with a ...
Cristian J. Zamorano‐Gómez   +3 more
wiley   +1 more source

VIOLA DE LERENO: PAIXÃO E CANTO

open access: yesConvergência Lusíada, 1998
Domingos Caldas Barbosa figura nas muitas histórias literárias, tanto por­tuguesas quanto brasileiras, e habita as páginas de um ou outro crítico.
Maria Theresa Abelha Alves
doaj  

Redescoberta e tipificação de Octomeria leptophylla Barb. Rodr. (Orchidaceae), micro-orquídea endêmica de Minas Gerais, Brasil

open access: yesRodriguésia
RESUMO A redescoberta de Octomeria leptophylla, micro-orquídea endêmica do estado de Minas Gerais, previamente considerada extinta, é aqui relatada. João Barbosa Rodrigues, em 1877, descreveu O.
Luiz Menini Neto, Americo Docha Neto
doaj   +1 more source

Canine Leishmaniasis in Rio de Janeiro, Brazil (2000–2015): Taxonomic Characterisation of Etiological Agents and Geospatial Case Analysis

open access: yesZoonoses and Public Health, Volume 73, Issue 4, Page 314-325, June 2026.
ABSTRACT Introduction Canine Leishmaniasis is a vector‐borne zoonotic disease caused by several species of protozoa of the genus Leishmania. In the state of Rio de Janeiro (RJ), Leishmania braziliensis is the most prevalent species causing tegumentary leishmaniasis (TL) and Leishmania infantum is the main causative agent of visceral leishmaniasis (VL).
Luciana de Freitas Campos Miranda   +10 more
wiley   +1 more source

La línea de investigación cultura y droga

open access: yesCultura y Droga, 2000
Esta Línea de Investigación esta adscrita al departamento de Antropología y Sociología y a la Vicerrectoría de Investigaciones y postgrados de la Universidad.
Sin autor
doaj  

«Batuta» en Caldas

open access: yesÁNFORA, 2018
La música siempre ha estado íntimamente ligada con el desarrollo de la humanidad, en toda clase de manifestaciones. Desde épocas primitivas el hombre incorporó la música a su existencia, convirtiéndose en un elemento indispensable de su vida, de la expresión de su cultura y de sus sentimientos.
openaire   +3 more sources

Agrarian counterpoint

open access: yesAmerican Ethnologist, Volume 53, Issue 2, Page 171-182, May 2026.
Abstract In Colombia's northeastern borderlands, agrarian economies shape how disease risk and stigma are understood and managed. As shown in ethnographic fieldwork in and around the Catatumbo region, cutaneous leishmaniasis—a sandfly‐transmitted disease that produces chronic skin lesions—appears in two radically different guises across adjacent ...
Javier Lezaun, Lina Pinto‐García
wiley   +1 more source

BIODIVERSIDAD

open access: yesColombia Forestal, 2014
Comité científico del simposio Director Luis Fernando Osorio Vélez, Ph.D. Universidad Nacional de Colombia, sede Medellín. Colombia. Biodiversidad René López Camacho, PhD(c). Universidad Distrital Francisco José de Caldas. Colombia.
Luis Fernando Osorio, Director 6 Simp. For.
doaj  

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