Aedes aegypti and Aedes albopictus (Diptera: Culicidae): coexistence and susceptibility to temephos, in municipalities with occurrence of dengue and differentiated characteristics of urbanization.
Aedes aegypti and Aedes albopictus (Diptera: Culicidae): coexistence and susceptibility to temephos, in municipalities with occurrence of dengue and differentiated characteristics of urbanization.
复制标题
埃及伊蚊和白纹伊蚊（双翅目：蚊科）：在登革热发生和城市化特征差异化的城市中共存且对替美磷敏感。
DOI：
10.1590/s0037-86822011005000025
复制
发表时间：
2011
影响因子：
2
通讯作者：
M. A. N. Silva
中科院分区：
文献类型：
--
作者：
J. S. Prophiro;O. Silva;J. E. D. Luna;C. F. Piccoli;L. Kanis;M. A. N. Silva
介绍
本研究的目的是验证埃及伊蚊和白纹伊蚊种群在巴拉那州和卡塔里纳市的共存情况，并评估其对有机磷灭硫磷的敏感性。
方法
计数每个诱蚊产卵器的卵数，并孵育孵化以鉴定物种。使用方差-均值比（离散指数）对群体进行数据分析，以确定随机性和聚集性。通过估计抗性比率RR 50和RR 95来评估对替美磷的敏感性。将埃及伊蚊样品与洛克菲勒种群进行比较，将白纹伊蚊样品与圣卡塔里纳州的种群和洛克菲勒种群进行比较。
结果
在巴拉那州的所有分析地点都观察到埃及伊蚊和白纹伊蚊共存及其卵的聚集。
结论
来自巴拉那州的所有埃及伊蚊种群对有机磷灭硫磷的敏感性状态均显示出变化，显示出初期抗性。同样，所有白纹伊蚊种群（巴拉那州和圣卡塔里纳州）在接触有机磷双硫磷后均存活。
INTRODUCTION
The aim of the present study was to verify the coexistence between Aedes aegypti and Aedes albopictus populations in municipalities of the States of Paraná and Santa Catarina with different urbanization profiles where dengue occurs and evaluate their susceptibility to the organophosphate temephos.
METHODS
The number of eggs per ovitrap were counted and incubated for hatching to identify the species. Data analysis of the populations was conducted to determine randomness and aggregation, using the variance-to-mean ratio (index of dispersion). Susceptibility to temephos was evaluated by estimation of the resistance ratios RR50 and RR95. Aedes aegypti samples were compared with the population Rockefeller and Aedes albopictus samples were compared with a population from the State of Santa Catarina and with the Rockefeller population.
RESULTS
Coexistence between Aedes aegypti and Aedes albopictus and the aggregation of their eggs were observed at all the sites analyzed in the State of Paraná.
CONCLUSIONS
All the Aedes aegypti populations from the State of Parana showed alteration in susceptibility status to the organophosphate temephos, revealing incipient resistance. Similarly, all the Aedes albopictus populations (States of Paraná and Santa Catarina) presented survival when exposed to the organophosphate temephos.