Cited by 10Parasitic Diseases Research and TreatmentMosquito-borne diseases and controlMalaria Research and Control

Vector competence of Culex quinquefasciatus Say, 1823 exposed to different densities of microfilariae of Dirofilaria immitis (Leidy, 1856)

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Carvalho, Gílcia Aparecida de, Alves, Leucio Câmara, Maia, Rafael Trindade, Andrade, Carlos Fernando Salgueirosa de, Ramos, Rafael Antonio do Nascimento, Faustino, Maria Aparecida da Glória·2008·Revista Brasileira de Entomologia

Abstract

The metropolitan region of Recife, Brazil is endemic for Dirofilaria immitis and has an environment favorable to the development of Culex quinquefasciatus. The goal of this study was to evaluate the vector competence of the Cx. quinquefasciatus RECIFE population for D. immitis transmission. A total of 2,104 females of Cx. quinquefasciatus RECIFE population were exposed to different densities of D. immitis microfilariae blood meals, ranging from 1,820 to 2,900 mf/ml of blood, in a natural membrane apparatus. The results showed a variation between 92.3% and 98.8% of females fed. The exposure of the Cx. quinquefasciatus RECIFE population to different densities of microfilariae did not influence the mortality of the mosquitoes. Infective larvae from D. immitis were observed in the Malpighian tubules beginning on the 12th day, whereas larvae were observed in the head and proboscis beginning on the 13th day following infection. The vector efficiency index (VEI) presented by the mosquitoes ranged from 7.8 to 56.5. The data demonstrates that the Cx. quinquefasciatus RECIFE population has great potential for the transmission of D. immitis, as it allowed the development of the filarid until the infectious stage at the different densities of microfilariae to which it was exposed.

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  1. Scoles, G. A. 1998. Vectors of canine heartworm in the United States: a review of the literature including new data from Indiana, Florida and Louisiana. In: Seaward, R.L.& C.H. Courtney. 1998. Recent Advances in Heartworm Disease: Symposium'98. Tampa, FL: American Heartworm Society, 21-36.

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Authors
Carvalho, G. A. D., Alves, L. C., Maia, R. T., Andrade, C. F. S. D., Ramos, R. A. D. N., & Faustino, M. A. D. G.
Affiliations
  • Universidade Estadual de Campinas (UNICAMP) (BR)
  • Instituto Nacional de Pesquisas da Amazônia (BR)
Venue
Revista Brasileira de Entomologia
Published
2008
Volume
52
Issue
4
Pages
658-662
ISSN
  • 0085-5626 (ISSN-L)
  • 1806-9665
OpenAlex
W2003949475
Cited by
10
References
32
Citations by year
2023: 1 · 2021: 1 · 2019: 1 · 2018: 2 · 2016: 1 · 2014: 1 · 2013: 3
FWCI
0.00
Type
journal article
Language
en
Open access
Licence
cc-by-nc-nd
Locations
  • Revista Brasileira de Entomologia (publishedVersion, cc-by-nc-nd)
  • Americanae (AECID Library) (publishedVersion, other-oa)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (publishedVersion, other-oa)
  • Americanae (AECID Library) (submittedVersion, other-oa)
  • Biodiversity Heritage Library (Smithsonian Institution) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • LA Referencia (Red Federada de Repositorios Institucionales de Publicaciones Científicas) (submittedVersion, cc-by-nc-nd)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Parasitic Diseases Research and Treatment
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Mosquito-borne diseases and control
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Malaria Research and Control
Keywords
Culex quinquefasciatus, Dirofilaria immitis, vector competence, canine heartworm disease, mosquito mortality, Recife

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