Survival, population size, and gonotrophic cycle duration of Nyssomyia neivai (Diptera: Psychodidae) at an endemic area of American cutaneous leishmaniasis in southeastern Brazil

Journal of Medical Entomology
Claudio CasanovaF A M Santos

Abstract

The survival, absolute population size, gonotrophic cycle duration, and temporal and spatial abundance of Nyssomyia neivai (Pinto) were studied in a rural area endemic for American cutaneous leishmaniasis (ACL) in Conchal, São Paulo State, southeastern Brazil, using mark-release-recapture techniques and by monitoring population fluctuation. The monthly abundance exhibited a unimodal pattern, with forest and domicile habitats having the highest relative abundances. A total of 1,873 males and 3,557 females were marked and released during the six experiments, of which 4.1-13.0% of males and 4.1-11.8% of females were recaptured. Daily survivorship estimated from the decline in recaptures per day was 0.681 for males and 0.667 for females. Gonotrophic cycle duration was estimated to be 4.0 d. Absolute population size was calculated using the Lincoln Index and ranged from 861 to 4,612 males and from 2,187 to 19,739 females. The low proportion of females that reach the age when they are potentially infective suggests that N. neivai has a low biological capacity to serve as a vector and that factors such as high biting rates and opportunistic feeding behavior would be needed to enable Leishmania (Viannia) braziliensis Vianna transmissio...Continue Reading

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Citations

Dec 22, 2010·Parasites & Vectors·Paloma Helena Fernandes ShimabukuroEunice Aparecida Bianchi Galati
Apr 2, 2014·Parasites & Vectors·Morgana Michele Cavalcanti de Souza Leal DinizEunice Aparecida Bianchi Galati
Aug 16, 2015·Parasites & Vectors·Thais Marchi GoulartMara Cristina Pinto
Jul 5, 2012·Revista Da Sociedade Brasileira De Medicina Tropical·Verónica de Lourdes Sierpe JeraldoMara Cristina Pinto
Dec 23, 2009·Memórias do Instituto Oswaldo Cruz·Elizabeth Ferreira Rangel, Ralph Lainson
Jan 31, 2017·Parasite : Journal De La Société Française De Parasitologie·Fredy Galvis-OvallosEunice Aparecida Bianchi Galati
Feb 23, 2011·Journal of Medical Entomology·M C PintoA E Eiras
Apr 3, 2018·PLoS Neglected Tropical Diseases·Fredy Galvis-OvallosEunice Aparecida Bianchi Galati

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