Format

Send to:

Choose Destination
See comment in PubMed Commons below
Am J Trop Med Hyg. 2012 Oct;87(4):727-36. doi: 10.4269/ajtmh.2012.12-0123. Epub 2012 Aug 27.

Effects of plant-community composition on the vectorial capacity and fitness of the malaria mosquito Anopheles gambiae.

Author information

  • 1Department of Entomology, University of Kentucky, Lexington, KY 40546-0091, USA. chrism.stone@gmail.com

Erratum in

  • Am J Trop Med Hyg. 2013 Feb;88(2):405.

Abstract

Dynamics of Anopheles gambiae abundance and malaria transmission potential rely strongly on environmental conditions. Female and male An. gambiae use sugar and are affected by its absence, but how the presence or absence of nectariferous plants affects An. gambiae abundance and vectorial capacity has not been studied. We report on four replicates of a cohort study performed in mesocosms with sugar-poor and sugar-rich plants, in which we measured mosquito survival, biting rates, and fecundity. Survivorship was greater with access to sugar-rich plant species, and mortality patterns were age-dependent. Sugar-poor populations experienced Weibull mortality patterns, and of four populations in the sugar-rich environment, two female and three male subpopulations were better fitted by Gompertz functions. A tendency toward higher biting rates in sugar-poor mesocosms, particularly for young females, was found. Therefore, vectorial capacity was pulled in opposing directions by nectar availability, resulting in highly variable vectorial capacity values.

PMID:
22927493
[PubMed - indexed for MEDLINE]
PMCID:
PMC3516327
Free PMC Article
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for HighWire Icon for PubMed Central
    Loading ...
    Write to the Help Desk