Diel periodicity in the landing of Aedes aegypti on man

M. Trpis, G. A.H. McClelland, J. D. Gillett, C. Teesdale, T. R. Rao

Research output: Contribution to journalArticlepeer-review

Abstract

The dynamics of transmission of disease agents by vectors depends, in part, on the probability of host vector contact, which can vary with fluctuations of both host and vector. As important as seasonal variation is 24 hour periodicity in activity. Periodicity in the landing of males and females of Aedes aegypti on man has been assessed by means of catches of 15 hours or longer, with several persons as a bait. The assessments were made in a suburban area of Tanzania and continued throughout one year. Activity was observed to be almost entirely diurnal and diphasic. Whereas the detailed activity pattern of males agreed closely with that found elsewhere in East Africa, that of the females was unusual on account of the symmetry of the morning and afternoon peaks. Possible causes of differences among studies are discussed.

Original languageEnglish (US)
Pages (from-to)623-629
Number of pages7
JournalBulletin of the World Health Organization
Volume48
Issue number5
StatePublished - 1973

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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