Results 1 to 10 of about 782 (157)

Genetic structure and kdr mutations in Aedes aegypti populations along a road crossing the Amazon Forest in Amapá State, Brazil [PDF]

open access: yesScientific Reports, 2023
Insecticide resistance in Aedes aegypti poses a significant threat to disease control. One form of resistance, caused by kdr mutations in the Na V gene, hinders vector control efforts in Brazil.
Barbara S. Souza   +5 more
doaj   +2 more sources

Current Knowledge on Insecticide Resistance in Aedes albopictus (Skuse, 1894) in Latin America and the Caribbean Nations [PDF]

open access: yesInsects
Aedes albopictus is an important vector of several arboviruses and has expanded its distribution throughout Latin America and the Caribbean in recent decades. Despite its increasing epidemiological relevance, data on insecticide resistance in this region
João Simão Silva Gonçalves   +6 more
doaj   +2 more sources

High voltage-gated sodium channel gene diversity in Aedes albopictus across Brazil [PDF]

open access: yesScientific Reports
The invasive Aedes albopictus, commonly known as the Asian tiger mosquito, has spread globally, posing public health risks because of its role as a secondary vector for arboviruses and capacity to transmit pathogens across sylvatic and urban cycles.
Gabriel Joventino Nascimento   +4 more
doaj   +2 more sources

First large-scale assessment of pyrethroid resistance in Anopheles darlingi (Diptera: Culicidae) in Brazil (2021-2024): a crucial step in informing decision-making in malaria control [PDF]

open access: yesMalaria Journal
Background Malaria continues to pose a significant public health threat in northern Brazil. Current control strategies for Anopheles darlingi, the primary malaria vector in the Amazon region, depend on long-lasting insecticidal nets (LLINs) and indoor ...
Quesia Santos Amorim   +8 more
doaj   +2 more sources

Controle de Anticarsia gemmatalis Hübner (Lepidoptera: Noctuidae) com reguladores de crescimento de insetos [PDF]

open access: yesCiencia Rural, 2003
A lagarta-da-soja, Anticarsia gemmatalis Hübner (Lepidoptera: Noctuidae), é uma praga importante na cultura da soja no Brasil. Este estudo teve como objetivo avaliar diferentes inseticidas, reguladores de crescimento, para o controle dessa praga. Os inseticidas diflubenzuron (15g i.a. ha-1), lufenuron (7,5g i.a. ha-1), metoxifenozide (21,6g i.a.
Mauro Tadeu Braga da Silva   +2 more
exaly   +4 more sources

Terpenos com atividade inseticida: uma alternativa para o controle químico de insetos [PDF]

open access: yesQuimica Nova, 2003
Many substances from different sources have been used by men for decades to control insects. After the 2nd World War, the use of inorganic compounds have declined drastically and natural products, as well as synthetic derivatives, have been widely used instead. The search for natural alternatives have improved the development of bench top bioassays and
Claudio Viegas Junior
exaly   +6 more sources

Long-Term Impact of the Largest Environmental Disaster in Latin America (Fundão Dam Failure) on Microbial Communities in Lakes of the Doce River Basin, Brazil. [PDF]

open access: yesEnviron Microbiol
The collapse of the Fundão dam caused long‐term alterations in the microbiome of lakes in the Doce River basin, with microbial communities closely associated with heavy metals originating from the mining tailings. The findings also highlight potential microbial groups for biomonitoring and bioremediation efforts.
Almeida P   +11 more
europepmc   +2 more sources

Métodos alternativos para controle de insetos praga em sementes

open access: yesRevista De Ciências Agrárias, 2017
A agricultura está cada vez mais tecnificada, utilizando abundantemente os recursos naturais de acordo com suas metas produtivas e gerando, assim, desequilíbrio nos ciclos naturais. Em sua maior parte, essa produção é realizada por meio da utilização de sementes, que são sensíveis a diversos fatores, entre estes injúrias provocadas por insetos-praga ...
FERREIRA, THIAGO COSTA   +2 more
exaly   +4 more sources

Métodos de controle de insetos vetores: um estudo das classificações

open access: yesRevista Pan-Amazônica De Saúde, 2013
Com objetivo de observar a estabilidade e a coerencia dos metodos de controle de vetores, realizou-se uma analise das classificacoes desses metodos na literatura. Foram consultadas 22 classificacoes, retiradas de livros-texto, manuais e publicacoes tecnicas, dando-se especial atencao as da Organizacao Mundial da Saude (cinco). O controle quimico esteve
Eduardo Dias Wermelinger   +2 more
exaly   +2 more sources

High Frequencies of kdr Mutation and Chikungunya Infection in Aedes aegypti Population from Minas Gerais, Brazil [PDF]

open access: yesPathogens
The Chikungunya virus (CHIKV) presents global health challenges, with Brazil experiencing outbreaks since its introduction in 2014. In 2023, following a CHIKV outbreak in Minas Gerais (MG), social media was used to optimize an entomological survey aimed ...
Pedro Augusto Almeida-Souza   +14 more
doaj   +2 more sources

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