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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/23211


Title: Potential vectors of Dirofilaria immitis (Leidy, 1856) in Itacoatiara, oceanic region of Niteroi Municipality, State of Rio de Janeiro, Brazil
Authors: Labarthe, Norma Wolmer
Serrao, Maria Lucia
Melo, Yuri Fontenele
Jose de Oliveira, Sebastiao
Lourenço-de-Oliveira, Ricardo
Keywords: Dirofilaria immitis - mosquito - heartworm - potential vector{P}
Issue Date: 31-Dec-1998
Publisher: Fundação Oswaldo Cruz, Fiocruz
Citation: Memórias do Instituto Oswaldo Cruz (ISSN: 1678-8060) Vol 93 Num 4
Abstract: Dirofilaria immitis is a widespread mosquito-borne parasite that causes dirofilariasis, a commonly diagnosed disease of dogs that is rarely reported in cats and humans. A mosquito survey was conducted in Itacoatiara in the State of Rio de Janeiro, from March 1995 to February 1996, using canine, feline and human baits. A total of 3,667 mosquitoes were dissected for D. immitis larvae, representing 19 species and 10 genera. From those, Ae. scapularis, Ae taeniorhynchus, Cx. quinquefasciatus, Cx. declarator, Cx. saltanensis and Wy. bourrouli were found infected with D. immitis parasites, and among those, only the first three harbored infective larvae. The majority of larvae were found in the Malpighian tubules (889/936), and larval melanization was observed in the two Aedes species. In descending order, the best vectors were Ae. scapularis, Ae. taeniorhynchus, and Cx. quinquefasciatus which alternate seasonally in importance. Cx. quinquefasciatus is suggested to be a vector to cats. The potential transmission of D. immitis parasites by these three vectors to man is discussed.
URI: http://hdl.handle.net/1807/23211
Other Identifiers: http://www.bioline.org.br/abstract?id=oc98083
Rights: Copyright 1998 Fundacao Oswaldo Cruz - Fiocruz
Appears in Collections:Bioline International Legacy Collection

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