Adaptive sex ratio manipulation in Pediculus humanus capitis: Possible interpretations of Buxton's data

Publication Type:Journal Article
Year of Publication:1997
Authors:L. Rózsa
Journal:Journal of Parasitology
Pagination:543 - 544
Date Published:1997

The sex-ratio pattern of an exceptional population of human head-lice (collected in the Colombo Prison, Ceylon, in 1934 to 1936) was found to be consistent with a current hypothesis on adaptive sex-ratio manipulation. Data suggest that the louse burdens were isolated and, therefore, small burdens were inbred. Thus local mate competition favored females that produced offspring with a female bias. This is the first report to suggest that anopluran lice are capable of adaptive sex-ratio manipulation.

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