Lethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions

Detalhes bibliográficos
Autor(a) principal: Lima, Marli Maria
Data de Publicação: 1991
Outros Autores: Rey, Luis, Mello, Rubens P. de
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da FIOCRUZ (ARCA)
Texto Completo: https://www.arca.fiocruz.br/handle/icict/37463
Resumo: Ensaiou-se, em laboratório, o efeito tóxico de inseticidas sintéticos, adicionados ao sangue de carneiro desfibrinado, mantidos em temperatura ambiente, oferecidos como fonte alimentar às seguintes espécies de triatomíneos: Triatoma infestans, Panstrongylus megistus, Triatoma vitticeps, Triatoma pseudomaculata, Triatoma brasiliensis e Rhodnius prolixus. Os inseticidas usados, na concentração de 1g/l, foram: HCH, DDT, Malathion e Triclorfon e a letalidade observada, ao fim de 7 dias variou, de acordo com o princípio ativo. HCH foi o mais efetivo por via oral, matando 100% dos insetos, exceto P. megistus (95,7%) e T. pseudomaculata (94,1%). Triclorfon eliminou entre 71,8% (T. vitticeps) e 98% (R. prolixus). Malathion ficou ligeiramente abaixo, matando entre 56,8% (T. vitticeps) e 97% (T. brasiliensis). DDT foi o menos efetivo, matando entre 10% (T. vitticeps) e 75% (T. brasiliensis). Como os testes foram feitos em temperatura ambiente, espera-se que iscas desse tipo possam ser usadas no controle de triatomíneos no campo.
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spelling Lima, Marli MariaRey, LuisMello, Rubens P. de2019-11-28T15:14:44Z2019-11-28T15:14:44Z1991LIMA, Marli Maria; REY, Luis; MELLO, Rubens Pinto de. Lethality of triatomines (Hemiptera: Reduviiae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions. Revista do Instituto de Medicina Tropical de São Paulo, São Paulo, v. 33, n. 6, p. 427-422, Nov. Dec. 1991.0036-4665https://www.arca.fiocruz.br/handle/icict/3746310.1590/s0036-466519910006000021678-9946Ensaiou-se, em laboratório, o efeito tóxico de inseticidas sintéticos, adicionados ao sangue de carneiro desfibrinado, mantidos em temperatura ambiente, oferecidos como fonte alimentar às seguintes espécies de triatomíneos: Triatoma infestans, Panstrongylus megistus, Triatoma vitticeps, Triatoma pseudomaculata, Triatoma brasiliensis e Rhodnius prolixus. Os inseticidas usados, na concentração de 1g/l, foram: HCH, DDT, Malathion e Triclorfon e a letalidade observada, ao fim de 7 dias variou, de acordo com o princípio ativo. HCH foi o mais efetivo por via oral, matando 100% dos insetos, exceto P. megistus (95,7%) e T. pseudomaculata (94,1%). Triclorfon eliminou entre 71,8% (T. vitticeps) e 98% (R. prolixus). Malathion ficou ligeiramente abaixo, matando entre 56,8% (T. vitticeps) e 97% (T. brasiliensis). DDT foi o menos efetivo, matando entre 10% (T. vitticeps) e 75% (T. brasiliensis). Como os testes foram feitos em temperatura ambiente, espera-se que iscas desse tipo possam ser usadas no controle de triatomíneos no campo.A laboratory study was conducted to test the toxicity of synthetic insecticides added to defibrinated sheep blood kept at room temperature and offered as food to the following triatomine species: Triatoma infestans, Panstrongylus megistus, Triatoma vitticeps, Triatoma pseudomaculata, Triatoma brasiliensis and Rhodnius prolixus. The insecticides used, at a concentration of 1 g/l, were: HCH, DDT, Malathion and Trichlorfon, and the lethalithy observed at the end of a 7-day period varied according to the active principle of each. HCH was the most effective by the oral route, killing 100% of the insects, except P. megistus (95.7%) and T. pseudomaculata (94.1%). Trichlorfon killed the insects at rates ranging from 71.8% (T. vitticeps) to 98% (R. prolixus). Malathion was slightly less efficient, killing the insects at rates from 56.8% (T. vitticeps) to 97% (T. brasiliensis). DDT was the least effective, with a killing rate of 10% (T. vitticeps) to 75% (T. brasiliensis). Since the tests were performed at room temperature, we suggest that baits of this type should be tried for the control of triatomines in the field.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Biologia. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Biologia. Rio de Janeiro, RJ, Brasil.Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Departamento de Entomologia. Coleção Entomológica. Rio de Janeiro, RJ, Brasil.engInstituto de Medicina Tropical de São PauloTripanossomíaseTriatomíneosBlood feedingControle de vetoresAlimentação de sangueInseticidasTaxa de letalidadeIscas de sangueTrypanosomiasisTriatominesVector controlBlood feedingInsecticidesLethality rateLethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditionsLetalidade de triatomíneos (Hemiptera: Reduviidae), vetores da doença de Chagas, alimentados sobre iscas de sangue contendo inseticidas sintéticos, em condições de laboratórioinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da FIOCRUZ (ARCA)instname:Fundação Oswaldo Cruz (FIOCRUZ)instacron:FIOCRUZLICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv Lethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions
dc.title.alternative.pt_BR.fl_str_mv Letalidade de triatomíneos (Hemiptera: Reduviidae), vetores da doença de Chagas, alimentados sobre iscas de sangue contendo inseticidas sintéticos, em condições de laboratório
title Lethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions
spellingShingle Lethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions
Lima, Marli Maria
Tripanossomíase
TriatomíneosBlood feeding
Controle de vetores
Alimentação de sangue
Inseticidas
Taxa de letalidade
Iscas de sangue
Trypanosomiasis
Triatomines
Vector control
Blood feeding
Insecticides
Lethality rate
title_short Lethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions
title_full Lethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions
title_fullStr Lethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions
title_full_unstemmed Lethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions
title_sort Lethality of triatomines (Hemiptera: Reduviidae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions
author Lima, Marli Maria
author_facet Lima, Marli Maria
Rey, Luis
Mello, Rubens P. de
author_role author
author2 Rey, Luis
Mello, Rubens P. de
author2_role author
author
dc.contributor.author.fl_str_mv Lima, Marli Maria
Rey, Luis
Mello, Rubens P. de
dc.subject.other.pt_BR.fl_str_mv Tripanossomíase
TriatomíneosBlood feeding
Controle de vetores
Alimentação de sangue
Inseticidas
Taxa de letalidade
Iscas de sangue
topic Tripanossomíase
TriatomíneosBlood feeding
Controle de vetores
Alimentação de sangue
Inseticidas
Taxa de letalidade
Iscas de sangue
Trypanosomiasis
Triatomines
Vector control
Blood feeding
Insecticides
Lethality rate
dc.subject.en.pt_BR.fl_str_mv Trypanosomiasis
Triatomines
Vector control
Blood feeding
Insecticides
Lethality rate
description Ensaiou-se, em laboratório, o efeito tóxico de inseticidas sintéticos, adicionados ao sangue de carneiro desfibrinado, mantidos em temperatura ambiente, oferecidos como fonte alimentar às seguintes espécies de triatomíneos: Triatoma infestans, Panstrongylus megistus, Triatoma vitticeps, Triatoma pseudomaculata, Triatoma brasiliensis e Rhodnius prolixus. Os inseticidas usados, na concentração de 1g/l, foram: HCH, DDT, Malathion e Triclorfon e a letalidade observada, ao fim de 7 dias variou, de acordo com o princípio ativo. HCH foi o mais efetivo por via oral, matando 100% dos insetos, exceto P. megistus (95,7%) e T. pseudomaculata (94,1%). Triclorfon eliminou entre 71,8% (T. vitticeps) e 98% (R. prolixus). Malathion ficou ligeiramente abaixo, matando entre 56,8% (T. vitticeps) e 97% (T. brasiliensis). DDT foi o menos efetivo, matando entre 10% (T. vitticeps) e 75% (T. brasiliensis). Como os testes foram feitos em temperatura ambiente, espera-se que iscas desse tipo possam ser usadas no controle de triatomíneos no campo.
publishDate 1991
dc.date.issued.fl_str_mv 1991
dc.date.accessioned.fl_str_mv 2019-11-28T15:14:44Z
dc.date.available.fl_str_mv 2019-11-28T15:14:44Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.citation.fl_str_mv LIMA, Marli Maria; REY, Luis; MELLO, Rubens Pinto de. Lethality of triatomines (Hemiptera: Reduviiae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions. Revista do Instituto de Medicina Tropical de São Paulo, São Paulo, v. 33, n. 6, p. 427-422, Nov. Dec. 1991.
dc.identifier.uri.fl_str_mv https://www.arca.fiocruz.br/handle/icict/37463
dc.identifier.issn.pt_BR.fl_str_mv 0036-4665
dc.identifier.doi.none.fl_str_mv 10.1590/s0036-46651991000600002
dc.identifier.eissn.none.fl_str_mv 1678-9946
identifier_str_mv LIMA, Marli Maria; REY, Luis; MELLO, Rubens Pinto de. Lethality of triatomines (Hemiptera: Reduviiae), vectors of Chagas' disease, feeding on blood baits containing synthetic insecticides, under laboratory conditions. Revista do Instituto de Medicina Tropical de São Paulo, São Paulo, v. 33, n. 6, p. 427-422, Nov. Dec. 1991.
0036-4665
10.1590/s0036-46651991000600002
1678-9946
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