Field optimisation of MosquiTRAP sampling for monitoring Aedes aegypti Linnaeus (Diptera: Culicidae)

被引:19
作者
de Resende, Marcelo Carvalho [1 ]
Ferreira de Azara, Tatiana Mingote [2 ]
Costa, Ione Oliveira [3 ]
Heringer, Laila Costa [2 ]
de Andrade, Mateus Ramos [2 ]
Acebal, Jose Luiz [4 ]
Eiras, Alvaro Eduardo [2 ]
机构
[1] Minist Saude, Fundacao Nacl Saude, Serv Saude Ambiental, Belo Horizonte, MG, Brazil
[2] Univ Fed Minas Gerais, Dept Parasitol, Lab Ecol Quim Insetos Vetores, BR-31270901 Belo Horizonte, MG, Brazil
[3] Prefeitura Belo Horizonte, Ctr Controle Zoonoses Reg Oeste, Belo Horizonte, MG, Brazil
[4] Ctr Fed Educ Tecnol Minas Gerais, Dept Fis & Matemat, Belo Horizonte, MG, Brazil
来源
MEMORIAS DO INSTITUTO OSWALDO CRUZ | 2012年 / 107卷 / 03期
关键词
Aedes aegypti; sticky trap; trap density; Box-Lucas function; RIO-DE-JANEIRO; SAO-PAULO; ADULT; SURVEILLANCE; DENSITY; TRAPS; DISPERSAL; OVITRAPS; STATE; AREA;
D O I
10.1590/S0074-02762012000300002
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
A sticky trap designed to capture gravid Aedes (Stegomyia) aegypti mosquitoes, MosquiTRAP, has been evaluated for monitoring this species in Brazil. However, the effects of trap densities on the capture rate of Ae. aegypti females and the sensitivity of vector detection are still unknown. After a preliminary study has identified areas of high and low female mosquito abundance, a set of experiments was conducted in four neighbourhoods of Belo Horizonte (state of Minas Gerais, Brazil) using densities of 1, 2, 4, 8, 16, 32 and 64 traps per block. Trap sensitivity (positive MosquiTRAP index) increased significantly when 1-8 MosquiTRAPs were installed per block in both high and low abundance areas. A strong fit was obtained for the total number of mosquitoes captured with increasing trap densities through a non-linear function (Box-Lucas) (r(2) = 0,994), which likely exhibits saturation towards an equilibrium level. The capacity of the mean female Aedes index to distinguish between areas of high and low Ae. aegypti abundance was also investigated; the achieved differentiation was shown to be dependent on the MosquiTRAP density.
引用
收藏
页码:294 / 302
页数:9
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