[Hourly frequency and seasonality of Lutzomyia longipalpis (Diptera: Psychodidae: Phlebotominae) on São Luís Island, Maranhão, Brazil].
This article presents the hourly and seasonal distribution of the Lutzomyia longipalpis sand fly captured on São Luís Island, Maranhão State. A total of 11,200 specimens were captured during monthly use of CDC light traps indoors and in animal sheds, between 6:00 PM and 6:00 AM, in 1996 and 1997. The sand fly behaved as an annual species, with a high frequency year-round, while it was most abundant during the rainy season (57.2%) as compared to the dry season (42.8%). The highest frequencies during the rainy season occurred in January and April and in the dry season in July and November. The species was found all night long, mainly between 6:00 PM and 10:00 PM in animal sheds and between 8:00 PM and 2:00 AM indoors.
Rebêlo
J M
JM
Núcleo de Patologia Tropical e Medicina Social, Departamento de Patologia, Universidade Federal do Maranhão, São Luís, MA, 65025-560, Brasil. macariorebelo@uol.com.br
D000818:Animals; D001938:Brazil; D005260:Female; D006798:Housing; D006813:Humidity; D007303:Insect Vectors / Q000502:physiology*; D008297:Male; D011576:Psychodidae / Q000502:physiology*; D012621:Seasons; D013696:Temperature; D013997:Time Factors