Cuticular hydrocarbon composition, phenotypic variability, and geographic relationships in allopatric populations of Amblyomma variegatum (Acari: Ixodidae) from Africa and the Caribbean.

Abstract excerpt

Gas chromatography of cuticular hydrocarbons is used to determine the degree of genetic similarity and heterozygosity among 20 populations of Amblyomma variegatum (F.) collected from Africa and the Caribbean. Twenty-one compounds were detected in at least 90% of the specimens studied; another 57 hydrocarbons were detected in a variable number of specimens, ranging from 50 to 90% of all ticks extracted. Visual...

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