Population relationships of Simulium yahense and Simulium sanctipauli in the Firestone Rubber Plantation at Harbel, Liberia.

D. J. Fryauff, M. Trpis

Research output: Contribution to journalArticle

Abstract

Comparative genetic differences for the phosphoglucomutase and trehalase loci were surveyed in larval and adult blackfly populations of the onchocerciasis vectors Simulium yahense Vajime and Dunbar, and S.sanctipauli Vajime and Dunbar. Genotype frequencies for each stage and all populations were at Hardy-Weinberg equilibrium, indicating that S.yahense and S.sanctipauli remain genetically distinct. S.yahense populations from three different locations were found to be genotypically comparable. The larval population of S.yahense found in closest proximity to a S.sanctipauli population was found to express the phosphoglucomutase allele 1.33, characteristic of S.sanctipauli, with significantly greater frequency than other larval populations of S.yahense. This may constitute evidence of limited genetic introgression of S.sanctipauli with the S.yahense population.

Original languageEnglish (US)
Pages (from-to)153-160
Number of pages8
JournalMedical and Veterinary Entomology
Volume2
Issue number2
StatePublished - Apr 1988

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Simulium sanctipauli
Liberia
Simuliidae
Simulium
Rubber
rubber
plantation
plantations
onchocerciasis
introgression
Population
allele
genotype
Phosphoglucomutase
phosphoglucomutase
Trehalase
trehalase
Onchocerciasis
Alleles
Genotype

ASJC Scopus subject areas

  • Insect Science
  • veterinary(all)

Cite this

Population relationships of Simulium yahense and Simulium sanctipauli in the Firestone Rubber Plantation at Harbel, Liberia. / Fryauff, D. J.; Trpis, M.

In: Medical and Veterinary Entomology, Vol. 2, No. 2, 04.1988, p. 153-160.

Research output: Contribution to journalArticle

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