Anopheles culicifacies giles: Adult ecological parameters measured in rural punjab province, pakistan using capture-mark-release-recapture and dissection methods, with comparative observations on An. stephensi liston and An. subpictus grassi

William Reisen, Farida Mahmood, Khawar Azra

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Dispersal, immigration and emigration rates, horizontal and vertical survivorship and absolute population size were estimated for micropopulations of An. culicifacies, An. stephensi and An. subpictus at a series of cattle sheds in rural Punjab Province, Pakistan, during November 1979 and May 1980 using capture-mark-release-recapture and dissection methods. Dispersal was temperature-related, with populations more vagile during May. Mean dispersal distance per individual was low for all species. More than 70% of all recaptures were taken at the point of release and the longest detected flight was 1250 meters. Horizontal survivorship was greater during November and was always less than vertical survivorship calculated from dissection agegrading data. Survivorship during the nulliparous period was greater than survivorship throughout total life, indicating the survivorship curve may be slightly sigmoid. Daily population sizes of endemic and immigrating females and males were calculated using Bailey's (1952) modification of the Lincoln Index, with the daily captures adjusted for immigration which was highest in May. Daily additions to the indoor resting population exclusive of immigrants were estimated using the method of Manly and Parr (1968). The relationship of the present findings to malaria transmission and genetic control were discussed.

Original languageEnglish (US)
Pages (from-to)39-60
Number of pages22
JournalResearches on Population Ecology
Volume23
Issue number1
DOIs
StatePublished - Jun 1 1981
Externally publishedYes

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

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