The occurrence of Aedes (Stegomyia) aegypti (Linnaeus) and Aedes (Stegomyia) albopictus (Skuse) in a rural area in Northern Paraná, Brazil and the associated Culicidae fauna

Abstract

ABSTRACT. To verify lhe possible occurrence of Aedes aegypli (Linnaeus, 176 1) and Aedes albopiclUS (Skuse, 1894) in a ru ral area in Northern Paraná, Brazil , a water tank was installed on a farm , to work as an arti fi cial breeding site. Collections were carried out every 15 days, duri ng a period of 2 years. 12,876 Culi ci dae larvae, belongi ng to 10 different species, incl uding Aedes aegypli and Aedes albopiclUS, were collected, indicati ng their occurrence. KEY WORDS . Culicidae, larvae, artificial container breeding, Aedes aegypli, Aedes albopiclUS Aedes (Stegomyia) aegypti (Linnaeus, 1762) and Aedes (Stegomyia) albopictus (S kuse, 1894) are the two main dengue virus transmitting spec ies fo und in urban areas. In some Brazilian regions such disease has 'reached epidemic leveis, and types I, II and III were detected.Aedes aegypti is an urban, domicile mosquito, responsible fo r the occurrence of the urban yellow fever in Brazil in the earl y 20 th Century. A lthough it was eradicated in the '50s, the re-incidence of thi s species took pl ace in the '70s. In the beginning of the fo llowi ng decade, the first dengue epidemi cs broke out in Boa Vista, State of Roraima, Brazil. In the region of Londrina, State of Paraná, the presence of the vector was detected in 1985 (LOPES et aI. 1993). Aedes albopictus , a seco nd spec ies with epidemi olog ical importance, was identified in Brazil for the first time in 1986 (FORA TTIN I 1986) , and co llected in the urban area of Londrina in the beginnin g of 1993 , by Fundação N ac ional da Saúde (The National Health Foundati on), through systemati c co ll ectio ns carri ed out throughout the urban perimeter. Such species, besides co loni zing co ntainers in the urban area, also co loni zes natural and artificial breeding site in rural areas (GOMES et a I. 1992 ). LOPES ( 1997), in an extensive study carried out fro m 1988 to 1989, in the rural area of Londrina, did not register the presence of either species. The present research aims at verifyi ng the occurrence of Aedes aegypti and A edes aLbopictus in that same rural area and their assoc iati on with nati ve species.

Epidemiological study on dengue in southern Brazil under the perspective of climate and poverty

“…Taking into consideration the importance of dengue for public health, there are relatively few epidemiological studies on dengue in Brazil, especially in the southern region [27][28][29] . In an attempt to help filling this gap, social and epidemiological aspects of dengue notifications were investigated in the city of Cambé, located in an endemic metropolitan region in the southern Brazil.…”

Scanning electron microscopy of eggs of Georgecraigius fluviatilis (Lutz) (Diptera: Culicidae, Aedini)

“…fluviatilis have been found mostly in rock crevices situated near or in rivers (Forattini 1965, Marcondes et al 2006. They can be found in artificial containers, like tyres and flower pots in cemeteries (Lopes 2002), sometimes with Stegomyia aegypti (Linnaeus) (=Aedes aegypti) (Lopes et al 1993), which seems to displace them (Lopes 2002).…”