PMID: 9430111Jan 16, 1998Paper

Use of rDNA-PCR to investigate the ecological distribution of Anopheles bwambae in relation to other members of the An.gambiae complex of mosquitoes in Bwamba County, Uganda

Medical and Veterinary Entomology
R E HarbachT Adeniran

Abstract

Environmental relationships were investigated among three species of the Anopheles gambiae complex of mosquitoes associated with the geothermal springs located in Bwamba County, Uganda. The degree of ecological isolation between An.gambiae and An.bwambae, a sibling species known only from the geothermal springs environment, was assessed on the basis of adult distribution and abundance as well as differences in larval habitats. Field data were gathered during June 1995 without knowing which of the species were being collected. Specimens identified subsequently by rDNA-PCR were used to interpret the ecological data. Ten of twenty aquatic sites sampled were found positive for immature stages of the An.gambiae complex. Larvae of An.bwambae were associated with 'springwater' habitats having much higher conductivity, much greater concentrations of dissolved solids and slightly higher temperature and pH than 'normal' fresh water sites inhabited by larvae of An.gambiae. Larval habitats of both species were unshaded: An.bwambae occurred among dense sedge (Cyperus laevigatus) whereas those of An.gambiae were almost devoid of vegetation. One mixed sample showed that larvae of both species occur together in peripheral aquatic sites with in...Continue Reading

Citations

Mar 16, 2000·Transactions of the Royal Society of Tropical Medicine and Hygiene·W TakkenM Coetzee
Apr 13, 2000·Insect Molecular Biology·N J ThelwellR K Butlin
Aug 24, 2013·The Journal of Experimental Biology·Bradley J WhiteNora J Besansky

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