Residential characteristics aggravating infestation by Culex quinquefasciatus in a region of Northeastern Brazil

OBJECTIVE: Analyse how basic sanitation conditions, water supply and housing conditions affect the concentration of Culex quinquefasciatus METHODS: Populations of C. quinquefasciatus in 61 houses in the municipality of Olinda, PE, were monitored between October 2009 and October 2010. Observations we...

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Main Authors: Juliana Cavalcanti Correia (Author), Rosângela Maria Rodrigues Barbosa (Author), Cláudia Maria Fontes de Oliveira (Author), Cleide Maria Ribeiro de Albuquerque (Author)
Format: Book
Published: Universidade de São Paulo, 2012-12-01T00:00:00Z.
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LEADER 00000 am a22000003u 4500
001 doaj_0174d2cf220f4bee9f851da8fa2351a1
042 |a dc 
100 1 0 |a Juliana Cavalcanti Correia  |e author 
700 1 0 |a Rosângela Maria Rodrigues Barbosa  |e author 
700 1 0 |a Cláudia Maria Fontes de Oliveira  |e author 
700 1 0 |a Cleide Maria Ribeiro de Albuquerque  |e author 
245 0 0 |a Residential characteristics aggravating infestation by Culex quinquefasciatus in a region of Northeastern Brazil 
260 |b Universidade de São Paulo,   |c 2012-12-01T00:00:00Z. 
500 |a 1518-8787 
500 |a 10.1590/s0034-89102013005000010 
520 |a OBJECTIVE: Analyse how basic sanitation conditions, water supply and housing conditions affect the concentration of Culex quinquefasciatus METHODS: Populations of C. quinquefasciatus in 61 houses in the municipality of Olinda, PE, were monitored between October 2009 and October 2010. Observations were carried out in homes without the presence of preferred breeding sites in order to identify characteristics that may be aggravating factors for the development of the mosquito. Five aggravating factors were analysed: vegetation cover surrounding the home, number of residents/home, water storage, sewage drainage and water drainage. These characteristics were analysed in terms of presence or absence and as indicators of the degree of infestation, which was estimated through monitoring the concentration of eggs (oviposition traps - BR-OVT) and adults (CDC light traps). RESULTS: Sewage drainage to a rudimentary septic tank or to the open air was the most frequent aggravating factor in the homes (91.8%), although the presence of vegetation was the only characteristic that significantly influenced the increase in the number of egg rafts (p = 0.02). The BR-OVT achieved positive results in 95.1% of the evaluations, with the presence of at least one egg raft per month. A total of 2,366 adults were caught, with a mosquito/room/night ratio of 32.9. No significant difference was found in the number of mosquitoes caught in the homes. CONCLUSIONS: Although the sanitation and water supply influence the population density of C. quinquefasciatus, residence features that are not usually considered in control measures can be aggravating factors in sustaining the mosquito population. 
546 |a EN 
546 |a ES 
546 |a PT 
690 |a Culex 
690 |a Monitoreo del Ambiente 
690 |a Insectos Vectores 
690 |a Trampas de oviposición 
690 |a Public aspects of medicine 
690 |a RA1-1270 
655 7 |a article  |2 local 
786 0 |n Revista de Saúde Pública, Vol 46, Iss 6, Pp 935-941 (2012) 
787 0 |n http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-89102012000600002&lng=en&tlng=en 
787 0 |n https://doaj.org/toc/1518-8787 
856 4 1 |u https://doaj.org/article/0174d2cf220f4bee9f851da8fa2351a1  |z Connect to this object online.