Insecticide Resistance and Fitness: The Case of Four Aedes aegypti Populations from Different Brazilian Regions.

ABSTRACT:

Background

Chemical control is still a major strategy to constrain vector density and mitigate pathogen transmission. However, insecticide overuse poses a high selective pressure, favouring the spread of resistance alleles in natural populations. In an insecticide-free environment, a fitness cost is expected in resistant insects when compared to susceptible counterparts. This study investigates whether insecticide resistance to an organophosphate (temephos) and a pyrethroid (deltamethrin) is associated with fitness traits in four Aedes aegypti wild populations sampled every three months over one year.

Findings

We measured development time from larvae to adult, female survival, wing length, fecundity, and adult resistance to starvation in field insecticide resistant

SUBMITTER: David MR 

PROVIDER: S-EPMC6198578 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature