Impact of water renewal on the residual effect of larvicides in the control of Aedes aegypti

被引：13

作者：

Soares Pontes, Ricardo Jose ^{[1
]}

Dantas Filho, Fabio Fernandes ^{[2
]}

Morais de Alencar, Carlos Henrique ^{[1
]}

Ferreira Regazzi, Ana Claudia ^{[3
]}

de Goes Cavalcanti, Luciano Pamplona ^{[1
]}

Ramos, Alberto Novaes, Jr. ^{[1
]}

de Oliveira Lima, Jose Wellington ^{[3
,4
]}

机构：

[1] Univ Fed Ceara, Fac Med, Dept Saude Comunitaria, BR-60430140 Fortaleza, Ceara, Brazil

[2] Univ Fed Rio Grande do Sul, Hosp Clin, Porto Alegre, RS, Brazil

[3] Fundacao Nacl Saude, Fortaleza, Ceara, Brazil

[4] Univ Estadual Ceara, Dept Saude Colet, Fortaleza, Ceara, Brazil

来源：

MEMORIAS DO INSTITUTO OSWALDO CRUZ | 2010年 / 105卷 / 02期

关键词：

Aedes; dengue; insect control; insecticides; organophosphate; Bacillus thuringiensis; TEMEPHOS; EFFICACY; LARVAE; FORMULATIONS; ISRAELENSIS; DIPTERA; RELEASE;

D O I：

10.1590/S0074-02762010000200019

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

This study was carried out to evaluate the residual effect of three larvicides under laboratory conditions for 100 days in Aedes aegypti. The larval mortality rate was measured without water renewal or with daily water renewal (80%). With temephos, there was 100% mortality in both groups until the 70th day. In the Bacillus thuringiensis israelensis (Bti)-WDG test, there was no difference during the first 20 days. With Bti-G, without water renewal, mortality was sustained above 90% for up to 35 days. The second experiment (with water renewal) reduced the mortality to below 90% after the first 20 days. When renewed water was provided, the residual effect was significantly lower for all larvicides.

引用

页码：220 / 224

页数：5

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