Descriçäo da colonizaçäo de Aedes albopictus (Diptera: culicidae) na regiäo de Säo José do Rio Preto, SP, 1991-1994 / Description of the colonization of Aedes aldopictus (Diptera: Culicidae) in the region of Säo José do Rio Preto, Säo Paulo State, 1991-1994

RESUMO

This study aims to describe and analyze the colonization of Aedes albopictus whose presence was detected in 1991 in the area of Sào José do Rio. Preto already colonized by the Aedes aegypti. Year and month of occurrence, counties, composition and location of larval samples, kinds of containers, average number of larvae an Breteau Index bare been analyzed from the information obtained in measurements of larval density by Superintendência de Controle de Endemias (SUCEN). The presence of Aedes albopictus was ascertained in 34 towns up to December 1994. The colonization of the area by the mosquito is still reduced showing some differences in relation to Aedes aegypti such as greater ratio outdoors, occupying container in different proportions. The average number of Aedes albopictus larvae has had influence of larvae of another species. It has showed a seasonal behavior similar to Aedes aegypti and it has moved from east to west direction.