Survivorship and distribution of immature Anopheles gambiae s.l. (Diptera

Culicidae) in Banambani village, Mali

Frances E. Edillo, Yeya T. Touré, Gregory C Lanzaro, Guimogo Dolo, Charles E. Taylor

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

We observed the survivorship and distribution of larvae and pupae of Anopheles gambiae s.l. Giles immature stages in three habitats (rock pools, swamp, and puddles) in Banambani village, Mali, West Africa, during the mid-rainy season of 2000. Horizontal life tables were constructed for immatures in the laboratory. Times spent in the various immature stages were determined, and laboratory survival was measured. Vertical life tables were obtained from each habitat. We found large day-to-day variation for age class composition within habitats across days. The swamp samples had small but statistically significant different distributions in some instar stages compared with rock pools and puddles as affected by precipitation history. There were obviously unstable age distributions in the swamp and puddles and to some extent in rock pools. There were more individuals in some later age classes than in earlier ones. The daily survival estimates using an exponential decay model were 0.807 in rock pools, 0.899 in the swamp, 0.818 in puddles, and 0.863 in the overall village. Possible reasons for the departure from stable age distribution were cannibalism, predation and other complex interactions, rainfall effects, sampling bias, and differences in physicochemical properties of the water in the habitats.

Original languageEnglish (US)
Pages (from-to)333-339
Number of pages7
JournalJournal of Medical Entomology
Volume41
Issue number3
StatePublished - May 2004

Fingerprint

Mali
Anopheles gambiae
Wetlands
swamps
Culicidae
Diptera
Ecosystem
villages
Survival Rate
survival rate
rocks
immatures
Life Tables
Age Distribution
life tables
habitats
age structure
Cannibalism
Pupa
Western Africa

Keywords

  • Anopheles gambiae s.l.
  • Exponential decay
  • Larval distribution
  • Life tables
  • Survivorship

ASJC Scopus subject areas

  • Insect Science
  • veterinary(all)

Cite this

Survivorship and distribution of immature Anopheles gambiae s.l. (Diptera : Culicidae) in Banambani village, Mali. / Edillo, Frances E.; Touré, Yeya T.; Lanzaro, Gregory C; Dolo, Guimogo; Taylor, Charles E.

In: Journal of Medical Entomology, Vol. 41, No. 3, 05.2004, p. 333-339.

Research output: Contribution to journalArticle

Edillo, Frances E. ; Touré, Yeya T. ; Lanzaro, Gregory C ; Dolo, Guimogo ; Taylor, Charles E. / Survivorship and distribution of immature Anopheles gambiae s.l. (Diptera : Culicidae) in Banambani village, Mali. In: Journal of Medical Entomology. 2004 ; Vol. 41, No. 3. pp. 333-339.
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