Eficácia de Ovitrampas com Diferentes Atrativos na Vigilância e Controle de Aedes
DOI:
https://doi.org/10.12741/ebrasilis.v9i1.509Keywords:
Aedes albopictus, armadilha de sequestro de ovos, Bacillus thuringiensis israelensis, organofosforado, regulador de crescimento, , growth regulator, kidnapping trap eggs, organophosphate.Abstract
Resumo. Aedes aegypti (Linnaeus)é o vetor dos vírus dengue, febre amarela urbana e Zika vírus nas Américas. Aedes albopictus (Skuse)tem maior ocorrência em mata nativa e secundária junto às populações. Esses mosquitos veiculam também o vírus chikungunya. O objetivo desse estudo foi avaliar a eficácia e preferência de oviposição em armadilhas ovitrampas, instaladas em locais abrigados com diferentes misturas atrativas, sob condições distintas de luminosidade e fluxo de pessoas para ser usada na vigilância e controle de Aedes spp. Foram instaladas 75 armadilhas no campus da Universidade Estadual de Londrina Paraná, distribuídas em três centros de estudo: Centro de Ciências Biológicas (CCB), Biblioteca Central (BC) e Centro de Estudos Sociais Aplicados (CESA), que receberam cada um, 25 ovitrampas, no período de Março a Junho de 2012. As armadilhas receberam cinco diferentes misturas atrativas: infusão de água fenada (Iaf), água destilada, (Iaf) + Bacillus thuringiensis var. israelensis Berliner, (Iaf) + organofosforado Temephos, (Iaf) + regulador de crescimento Diflubenzuron. Todo o experimento foi realizado em 5 réplicas. Coletou-se 4.774 ovos. No (CCB) foram 436 ovos (9,23%) com Índice de Positividade de Ovitrampas (IPO) = 43,08% e Índice de Densidade de Ovos (IDO) = 15,75. No (CESA) 638 ovos (13,35%), IPO = 58,46% e IDO = 16,79. Na (BC) 3.700 ovos (77,42%), IPO = 83,08% e IDO = 68,51. Não ocorreram diferenças significativas pelo teste de Kruskal-Wallis (p = 0,92) para os diferentes atrativos nas ovitrampas. Atrativos e produtos seletivos para o controle de Aedes spp. na ovitrampa não mostraram prejuízos para oviposição.
Effectiveness of Ovitraps with Different Attractives in the Monitoring and Control of Aedes
Abstract. Aedes aegypti (Linnaeus) is the vector of dengue viruses, urban yellow fever and Zika virus in the Americas. Aedes albopictus (Skuse) has higher incidence in native and secondary forest next the populations. These mosquitoes also convey the chikungunya virus. The aim of this study was to evaluate the efficacy and oviposition preference in ovitraps traps installed in sheltered places with different attractive mixtures, under different lighting conditions and flow of people to be used in monitoring and control of Aedes spp. Were installed 75 traps on campus of the State University of Londrina-Paraná, distributed in three study centers: Centre for Biological Sciences (CCB), Central Library (CL) and Applied Social Studies Center (ASSC), which each received 25 ovitraps in the period from March to June 2012. The traps received five different attractive mixtures: infusion of water made into hay (Iaf), distilled water (Iaf) + Bacillus thuringiensis israelensis Berliner (Iaf) + organophosphate temephos, (Iaf) + growth regulator Diflubenzuron. The experiment was carried out in 5 replicates. Collected: 4,774 eggs. On (CCB) were 436 eggs (9.23%) with Positivity Index of Ovitraps (PIO) = 43.08%, and Eggs Density Index (EDI) = 15.75. On (ASSC) 638 eggs (13.35%), PIO = 58.46% and EDI = 16.79. On (CL) 3,700 eggs (77.42%), PIO = 83.08% and EDI = 68.51. There were no significant differences by Kruskal-Wallis test (p = 0.92) for the different attractive on ovitraps. Attractive and selective products for Aedes spp. control in egg trap do not show damage to oviposition.
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