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1 January 2001 Movement of Aedes aegypti (Diptera: Culicidae) Released in a Small Isolated Village on Hainan Island, China
Yoshio Tsuda, M. Takagi, S. Wang, Z. Wang, L. Tang
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Abstract

A mark-release-recapture experiment was conducted in a small isolated village on Hainan Island, China, to examine the dispersal and movement of adult Aedes aegypti (L.). Two cohorts of mosquitoes marked with uniquely colored fluorescent dye were released at two different sites and recaptured for 6 d at every house in the village using human bait collections. The distribution pattern of houses around release site affected dispersal. The recapture rate of females released at the center of the village was higher (3.49%) than females released at the edge of the village (2.47%). The average day of recapture differed significantly between sexes, but not cohorts. The average day of recapture of females and males released at the center was 2.5 and 1.54 d, respectively. The total number of mosquitoes recaptured was the greatest at premises near the release site, and decreased at a constant rate of 0.43–0.48 with increasing distance from the release site. The proportion of nulliparous females decreased during the first 4 d and proportion of females with developing or mature ovaries increased during the latter half of the experiment. The daily survival rate for females and males released at the center of the village was estimated by log-regression to be 0.763 and 0.52, respectively.

Yoshio Tsuda, M. Takagi, S. Wang, Z. Wang, and L. Tang "Movement of Aedes aegypti (Diptera: Culicidae) Released in a Small Isolated Village on Hainan Island, China," Journal of Medical Entomology 38(1), 93-98, (1 January 2001). https://doi.org/10.1603/0022-2585-38.1.93
Received: 17 December 1999; Accepted: 1 September 2000; Published: 1 January 2001
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