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Última Abundância e agregação de ovos de Aedes aegypti L. e Aedes albopictus (Skuse) (Diptera: Culicidae) no norte e noroeste do Paraná Neotropical Entomology Fantinatti,Elaine C.S.; Duque,Jonny E.L.; Silva,Allan M.; Navarro-Silva,Mario A.. Avaliou-se a abundância e agregação dos ovos de Aedes aegypti L. e Aedes albopictus Skuse em Cambé, Ibiporã, Jacarezinho, Maringá e Paranavaí, PR, utilizando-se armadilhas de oviposição. De 225 armadilhas instaladas, 100 registraram-se positivas para ovos. Coletaram-se 4140 ovos, demonstrando distribuição altamente agregada. Ambas as espécies foram encontradas em Cambé, Jacarezinho, Maringá e Paranavaí. Ae. albopictus não foi detectado em Ibiporã, porém onde esteve presente foi menos abundante. A relação entre sexos aproximou-se de 1:1, para Ae. aegypti. Na comparação dos números de adultos coletados entre as duas espécies, obteve-se correlação negativa nas amostras de Maringá e Cambé, o que foi atribuído à sazonalidade dessas populações. A coexistência... Tipo: Info:eu-repo/semantics/article Palavras-chave: Ecologia de vetores; Armadilha de oviposição; Dengue; Espécie invasora; Mosquito. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000600020 Amostragem das pragas do algodoeiro com auxilio de ficha pictografica. Infoteca-e BLEICHER, E.; JESUS, F. M. M. de; GILES, J. A.. A ficha pctografica; Implantacao do metodo. Tipo: Folhetos Palavras-chave: Controle; Ficha pictografica; Alabama argillecea; Pectinophora gossypiela; Brasil; Condado; Paraiba; Pest; Control; Ácaro Vermelho; Algodão; Amostragem; Aphis Gossypii; Curuquerê; Gossypium Hirsutum; Gargaphia Torresi; Lagarta Rosada; Mosquito; Praga; Tetranychus Ludeni; Cotton; Sampling. Ano: 1982 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/262646 Atividade larvicida de óleos essenciais contra Aedes aegypti L. (Diptera: Culicidae) Neotropical Entomology Furtado,Roselayne F.; Lima,Maria G.A. de; Andrade Neto,Manoel; Bezerra,José N.S.; Silva,Maria G. de V.. Na busca por controle químico alternativo contra Aedes aegypti L., muitas pesquisas são desenvolvidas e estimuladas no intuito de se descobrirem novas substâncias inseticidas de origem vegetal. Neste trabalho, o efeito larvicida de dez óleos essenciais foi avaliado contra A. aegypti. Os óleos foram obtidos por arraste a vapor e sua composição química foi determinada por cromatografia gasosa acoplada a espectrometria de massa. Os óleos essenciais foram diluídos em solução aquosa de dimetil sufóxido nas concentrações: 100, 50, 10 e 1 mg/ml. A atividade larvicida, baseada na percentagem de larvas mortas, foi avaliada 24h após o tratamento. O óleo essencial de Vanillosmopsis arborea Baker induziu a maior atividade larvicida, com CL50 de 15,9 mg/ml e CL90 de... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dengue extrato de planta; Controle; Mosquito. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2005000500018 Characterization of artificial larval habitats of Anopheles darlingi (Diptera: Culicidae) in the Brazilian Central Amazon Rev. Bras. entomol. Arcos,Adriano Nobre; Ferreira,Francisco Augusto da Silva; Cunha,Hillândia Brandão da; Tadei,Wanderli Pedro. ABSTRACT Mosquitoes belonging to the Anopheles genus are of great relevance in the epidemiology and transmission of malaria, with their larval phase developing in clean waters in the presence of organic matter. However, the human presence in the Amazon has increasingly influenced the emergence of new breeding sites and larval habitats, such as clay pits, fish ponds and dams, among others. The objective of the study was to characterize mosquito larval habitats using the biotic and abiotic parameters in the metropolitan area of Manaus. We collected in 23 artificial larval habitats in Manaus, classified in dams, fish ponds and clay pits. Water samples, Anopheles larvae, aquatic macrophytes and limnological parameters were collected from each artificial larval... Tipo: Info:eu-repo/semantics/article Palavras-chave: Manaus; Mosquito; Malaria vector; Water quality; Anopheles spp.. Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262018000400267 Copper II - polar amino acid complexes: toxicity to bacteria and larvae of Aedes aegypti Anais da ABC (AABC) RODRIGUES,THIAGO A.D.; ARRUDA,EDUARDO J. DE; FERNANDES,MAGDA F.; CARVALHO,CLAUDIO T. DE; LIMA,ALESSANDRA R.; CABRINI,ISAÍAS. ABSTRACT Control strategies using insecticides are sometimes ineffective due to the resistance of the insect vectors.In this scenario new products must be proposed for the control of insect vectors.The complexes L-aspartate Cu (II) and L-glutamate-Cu (II) complexes were synthesized and characterized by elemental analysis, visible ultraviolet, infrared spectroscopy and potentiometric titration. The toxicity of these complexes was analyzed in Aedes aegypti (Diptera: Culicidae) larvae and Gram-negative and Gram-positive bacteria. The interaction between the ligands and the amino acid balance and the distribution of the species as a function of pH were discussed. The lethal concentration median (LC50) for Ae. aegypti larvae were: L-glutamic acid-Cu (II) -... Tipo: Info:eu-repo/semantics/article Palavras-chave: Neurotransmitter; Bacteria; Population control of vectors; Metal-insecticide; Mosquito. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000502273 Culicidae (Diptera) em área de barragem em Santa Catarina e no Rio Grande do Sul Neotropical Entomology Gomes,Almério C; Paula,Marcia B; Vitor Neto,João B; Borsari,Rodrigo; Ferraudo,Antonio S. A composição de Culicidae do lago de Barra Grande, situado entre os municípios de Esmeralda (Rio Grande do Sul) e Anita Garibaldi (Santa Catarina), foi realizada com coletas mensais. Vinte e quatro espécies foram identificadas dentre um total de 1.185 espécimes (74,7% adultos e 25,3% imaturos), sendo Aedes fluviatilis Lutz a espécie mais frequente. Algumas espécies constituem novos registros e são interesse em saúde pública. O fato sugere que mudanças ambientais na área podem alterar a relação entre humanos e mosquitos vetores. Tipo: Info:eu-repo/semantics/article Palavras-chave: Mosquito; Inquérito entomológico; Degradação ambiental. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2009000400021 Development, longevity, gonotrophic cycle and oviposition of Aedes albopictus Skuse (Diptera: Culicidae) under cyclic temperatures Neotropical Entomology Löwenberg Neto,Peter; Navarro-Silva,Mário A.. The effects of cyclic temperatures on Aedes albopictus Skuse development, longevity, gonotrophic cycle and the number of oviposited eggs were assessed by means of laboratory experiments. The experiments were carried out with mosquitoes from Registro, São Paulo, Brazil, kept in insectary for two years. The development of the insect was followed from egg to adult emergence under 25/18ºC and 27/20ºC and adult stage under 27/20ºC, both associated with LD 12:12h. The eggs received two treatments: (A) maintenance of water volume; (B) periodical and complete change of water. Blood meal was offered daily and it was interrupted after haematophagy and restarted after first oviposition. The immature development was significantly different under the temperature... Tipo: Info:eu-repo/semantics/article Palavras-chave: Insecta; Biology; Vector; Mosquito. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2004000100006 Development of mosquito repellent from papermulberry woody core and citronella grass Thai Agricultural Kongtad, W.; Haruthaithanasan, V.; Thanapase, W.. Palavras-chave: Mosquito; Paper; Mulberry; Woody. Ano: 2001 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/4879 Dimorfismo sexual alar em Aedes scapularis (Diptera: Culicidae) Biota Neotropica Devicari,Mariana; Lopes,Adriana Rios; Suesdek,Lincoln. A detecção do sexo de mosquitos da família Culicidae é importante em estudos faunísticos e epidemiológicos, pois somente as fêmeas possuem competência vetora para patógenos. O dimorfismo sexual de genitália e de apêndices cefálicos é, em geral, facilmente visível em culicídeos. As asas também podem ser dimórficas e assim poderiam complementar o procedimento de sexagem. No entanto, tal distinção não é facilmente notável à observação direta. Visando descrever formalmente o dimorfismo sexual alar em Aedes scapularis, um culicídeo vetorialmente competente para arbovírus e filárias, asas de machos e fêmeas foram comparadas usando-se métodos de morfometria geométrica e análise estatística multivariada. Nestas análises, populações dos municípios São Paulo e... Tipo: Info:eu-repo/semantics/article Palavras-chave: Aedini; Ochlerotatus; Microevolução; Mosquito; Vetor. Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032011000200016 Dirofilariose: zoonose emergente negligenciada Ciência Rural Silva,Rodrigo Costa da; Langoni,Helio. A dirofilariose é uma zoonose pouco conhecida causada por Dirofilaria spp., nematódeo mais conhecido como verme do coração dos cães (Dirofilaria immitis), parasita do sistema circulatório desses animais, mas que também pode acometer gatos e o ser humano. Sua ocorrência está intimamente ligada à presença de mosquitos vetores (Aedes spp., Anopheles spp., Culex spp.), condições climáticas favoráveis, assim como trânsito entre regiões indenes e endêmicas/epidêmicas. O ser humano pode se infectar com D. immitis (pulmão), Dirofilaria repens (pulmão, subcutâneo) e Dirofilaria tenuis (subcutâneo). A fisiopatologia está intimamente ligada à morte do parasita onde, no cão, pode induzir a obstrução de vasos circulatórios e no ser humano produzir uma lesão nodular com... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dirofilárias; Cães; Ser humano; Zoonose; Mosquito; Saúde pública. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782009000500051 Effect of ivermectin on the life cycle and larval fat body of Culex quinquefasciatus BABT Alves,Stenio Nunes; Serrão,José Eduardo; Mocelin,Giovani; Melo,Alan Lane de. The present work investigated the behavior, survival rate and lethal effect of 1.5 ppb ivermectin on Culex quinquefasciatus larvae, based on morphological and biological parameters, and possible alterations of their fat body. Changes in the number of eggs/egg mass and length of the larval stage were investigated. For this experiment, 600 larvae of 3rd and 4th instars of the mosquito were tested. The laid eggs were separated and the hatched larvae were counted. Some larvae submitted to 1.5 ppb ivermectin solution were used to prepare samples for histological study. Results obtained showed that ivermectin in a concentration of 1.5 ppb caused paralysis to the larvae with a mortality rate of 73.38%, mobilization of substances stored in the fat body and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Diptera; Fat body; Insecticide; Mosquito; Reproductive biology. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000300014 Effect of temperature on the development time and survival of preimaginal Culex hepperi (Diptera: Culicidae) Rev. Soc. Entomol. Argent. Loetti,María Verónica; Burroni,Nora E.; Prunella,Paula; Schweigmann,Nicolás. The aim of this research was to evaluate the effect of temperature on the development time and survival of Culex (Culex) hepperi Casal and García, 1967. Individuals were reared in the laboratory, from the first larval stage to adult emergence, at five constant temperatures: 15, 20, 25, 30, and 33°C. The total development time was inversely related to temperature between 15 and 25°C. No differences were observed in the development time between sexes and no adults emerged at 33°C. In the larval stages III and IV, the time required for molting to the next stage increased at 30°C. The highest survival was recorded at 20°C. The more developed stages were less resistant to temperatures above and below 20°C. According to the nonlinear model of Briére, the lower... Tipo: Info:eu-repo/semantics/article Palavras-chave: Mosquito; Phytotelmata; Constant temperature. Ano: 2008 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0373-56802008000200009 Evaluation of Electronic Mosquito-Repelling Devices Using Aedes albopictus (Skuse) (Diptera: Culicidae) Neotropical Entomology ANDRADE,CARLOS F.S.; BUENO,VIRGÍNIA S.. The mosquito-repelling devices Anti-Pic®, Mosquito Repeller® DX-600 and Bye-Bye Mosquito® were evaluated in boxes for experimentation by exposing human hands to Aedes albopictus (Skuse) adults. Two sets of tests were performed based on 15 min. expositions. In the first set both hands were introduced in the box, one of them holding the device on. In the second set only one hand was introduced each time, holdind the device on or off. The devices failed to show efficiency in both evaluations. A seemingly 30.3% repellency due to Anti-Pic® in the first set of experiments was not confirmed in the second set. It was discussed the value of such devices for dengue prevention. Tipo: Info:eu-repo/semantics/article Palavras-chave: Insecta; Repellent; Mosquito; Ultra-sound. Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2001000300030 Evaluation of the sticky MosquiTRAP™ for detecting Aedes (Stegomyia) aegypti (L.) (Diptera: Culicidae) during the dry season in Belo Horizonte, Minas Gerais, Brazil Neotropical Entomology Gama,Renata A.; Silva,Eric M.; Silva,Ivoneide M.; Resende,Marcelo C.; Eiras,Álvaro E.. MosquiTRAP™ is a sticky trap specifically designed to capture gravid females of Aedes aegypti (L.) and allows the identification of the mosquito in the field during the inspection of the trap. This study aims to compare this sticky trap to larval and ovitrap surveys for field monitoring of A. aegypti during the dry season. The study was conducted from March to June of 2003 in 20 blocks of the district of Itapoã, Belo Horizonte, MG. The traps were monitored every week while the larval survey was conducted on a monthly basis. The larval index: Premise Index (PI) and Breteau Index (BI) had equal values throughout the experiment (1.72 in the first two months and zero in the last two). The container index (CI) during the first two months was 0.09 and 0.1%,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Monitoring; Dengue; Mosquito. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000200018 Host-parasite interaction and impact of mite infection on mosquito population Rev. Bras. entomol. Atwa,Atwa A.; Bilgrami,Anwar L.; Al-Saggaf,Ahmad I.M.. ABSTRACT During the present study, the host-parasite relationship between mosquitoes and parasitic mites was investigated. The 8954 individuals of male and female mosquitoes belonging to 26 genera: seven each of Aedes and Culex, six of Anopheles and one each of Toxorhynchites, Coquillettidia and Uranotaenia were collected from 200 sites. The male and female mosquitoes were collected from the State of Uttar Pradesh, located at 26.8500° N, 80.9100° E in North India by deploying Carbon dioxide-baited and gravid traps. The intensity of mite's infection, type and number of mites attached to mosquitoes, mite's preference for body parts and host sexes were the parameters used to determine host-parasite relationship. Eight species of mites: Arrenurus acuminatus,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Mosquito; Mites; Host; Parasite; Infection; Biocontrol. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262017000200101 Impact of small variations in temperature and humidity on the reproductive activity and survival of Aedes aegypti (Diptera, Culicidae) Rev. Bras. entomol. Costa,Ethiene Arruda Pedrosa de Almeida; Santos,Eloína Maria de Mendonça; Correia,Juliana Cavalcanti; Albuquerque,Cleide Maria Ribeiro de. In short space of time increase in temperature and rainfall can affect vector populations and, consequently, the diseases for them transmitted. The present study analyzed the effect of small temperature and humidity variations on the fecundity, fertility and survival of Aedes aegypti. These parameters were analyzed using individual females at temperatures ranging from 23 to 27 °C (mean 25 °C); 28 to 32 °C (mean 30 °C) and 33 to 37 °C (mean 35 ºC) associated to 60±8% and 80±6% relative humidity. Females responded to an increase in temperature by reducing egg production, oviposition time and changing oviposition patterns. At 25 ºC and 80% relative humidity, females survived two-fold more and produced 40% more eggs when compared to those kept at 35 ºC and 80%... Tipo: Info:eu-repo/semantics/article Palavras-chave: Climate changes; Dengue; Fecundity; Fertility; Mosquito. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262010000300021 Improvement of a test-chamber for behavioral studies on adult females of Aedes aegypti (Linnaeus) (Diptera, Culicidae) Rev. Bras. entomol. Cabrini,Isaías; Andrade,Carlos Fernando S.. A test-chamber (K&L-Chamber) made of cardboard and acrylic plastic, and consisting in four sections (A, B, C and D) was developed by Klowden & Lea (1978) for Aedes aegypti host-seeking behavior studies. Later, Foster & Lutes (1985) also used an identical chamber to successfully evaluate the efficacy of electronic repellers. It was described here a modified K&L-Chamber for behavioral studies of Ae. aegypti adults. The chamber was made in polystyrene, consisting of three sections (A, B and C) and using a human hand and a fluorescent lamp as stimulus to attract the mosquitoes. The suitability of the present test-chamber was validated assaying 80 replicates and releasing 10 Ae. aegypti females in each replicate. The females were... Tipo: Info:eu-repo/semantics/article Palavras-chave: Attraction; Behavior; Mosquito; Olfactometer. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262007000200018 Medidas contingenciais para o controle de sciarídeos (moscas-dos-cogumelos) em pátios de toras de pínus. Infoteca-e SCHUHLI, G. S. e; PENTEADO, S. do R. C.; REIS FILHO, W.; NICKELE, M. A.. Tipo: Folhetos Palavras-chave: Sciarídeos; Controle; Toras; Armazenamento; Inseto; Mosquito; Pinus Taeda. Ano: 2013 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/976702 Mitochondrial DNA divergence between wild and laboratory populations of Anopheles albimanus Wiedemann (Diptera: Culicidae) Neotropical Entomology Arias,Lida; Bejarano,Eduar E.; Márquez,Edna; Moncada,John; Vélez,Iván; Uribe,Sandra. Studies of insect vectors may be facilitated by using laboratory colonies. However, it has been suggested that the colony insects are not representative of natural populations, sometimes yealding to erroneous interpretations of the intraspecific genetic variation between the individuals. In the present study the variability of the mitochondrial gene cytochrome b was evaluated among a closed laboratory colony of Anopheles albimanus that was founded 20 years ago and the field population from which it was derived. The analyses revealed the presence of five and three nucleotide haplotypes in the wild and colony populations, respectively. Wild individuals presented greater variability than those of the colony based on the number of polymorphic sites, haplotype... Tipo: Info:eu-repo/semantics/article Palavras-chave: Genetic variability; Malaria; Mosquito. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2005000300020 Morfología del cibario en subgéneros de Psorophora Robineau-Desvoidy (Diptera: Culicidae) Neotropical Entomology Liria,Jonathan; Navarro,Juan C.. Se describe la morfología del cibario en ocho especies de Psorophora Robineau-Desvoidy: Ps. (Grabhamia) cingulata (Fabricius), Ps. (Gra.) confinnis (Lynch Arribálzaga), Ps. (Janthinosoma) ferox (Humboldt), Ps. (Jan.) albipes (Theobald), Ps. (Jan.) cyanescens (Coquillett), Ps. (Psorophora) lineata (Humboldt), Ps. (Pso.) cilipes (Fabricius), y Ps. (Pso.) ciliata (Fabricius). Los integrantes del subgénero Grabhamia Theobald se caracterizan por la posición central de las papilas palatales y la presencia de armadura cibarial, en Ps. cingulata los dientes son todos iguales, mientras que en Ps. confinnis la hilera más interna es espatulada con ápices dentados. En Janthinosoma Lynch Arribálzaga se observaron seis papilas palatales, (el par anterior de menor tamaño... Tipo: Info:eu-repo/semantics/article Palavras-chave: Aedini; Mosquito; Taxonomía. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000600011 Registros recuperados: 33 Primeira ... 1 2 ... Última

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