Sensitivity of Aedes aegypti adults (Diptera: Culicidae) to the vapors of Eucalyptus essential oils

被引：71

作者：

Lucia, Alejandro ^{[1
]}

Licastro, Susana ^{[1
]}

Zerba, Eduardo ^{[1
,2
]}

Gonzalez Audino, Paola ^{[1
,2
]}

Masuh, Hector ^{[1
,2
]}

机构：

[1] Consejo Nacl Invest Cient & Tecn, CITEFA, CIPEIN, RA-1033 Buenos Aires, DF, Argentina

[2] Univ Nacl Gen San Martin, Escuela Posgrado, Buenos Aires, DF, Argentina

来源：

BIORESOURCE TECHNOLOGY | 2009年 / 100卷 / 23期

关键词：

Mosquito; Fumigant activity; Knockdown; 1,8-Cineole; Vapor pressure;

D O I：

10.1016/j.biortech.2009.02.075

中图分类号：

S2 [农业工程];

学科分类号：

082806 [农业信息与电气工程];

摘要：

Vapors of essential oils extracted from various species of Eucalyptus (E. gunnii, E. tereticornis, E. grandis, E. camaldulensis, E. dunnii, E. cinerea, E. saligna, E. sideroxylon, E globulus ssp. globulus, E. globulus ssp. maidenii, E. viminalis and the hybrids E. grandis x E. tereticornis and E grandis x E camaldulensis) and their major components were found to be toxic to Aedes aegypti adults, the yellow fever mosquito. An aliquot of each oil was placed in a cylindrical test chamber and the number of knocked-down mosquitoes was recorded as function of time. Knockdown time 50% was then calculated. Results showed that E. viminalis had the fastest knockdown time at of 4.2 min, on the same order as dichlorvos, a standard knockdown agent. A correlation was observed between the content of 1,8-cineole in the Eucalyptus essential oils and the corresponding toxic effect. The correlation between KT50 values and calculated vapor pressures of the essential oil components showed that the fumigant activity of simple organic compounds in insects is correlated with their volatility. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：6083 / 6087

页数：5

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