Competence of Aedes albopictus and Culex quinquefasciatus as vector of Dirofilaria immitis after blood meal with different microfilarial density
Abstract
Aedes albopictus and Culex quinquefasciatus were fed canine blood with different microfilarial density of Dirofilaria immitis ranging from 2500 to 25,000 mff/ml. Larval development in these two mosquito species did not differ significantly. Although C. quinquefasciatus ingested more microfilariae, the number of larvae which developed in A. albopictus was invariably greater than in C. quinquefasciatus. Mortality of the engorged A. albopictus was significantly greater than that of C. quinquefasciatus, and higher microfilarial density raised the mortality in both species. The vector efficiency index of A. albopictus was greater than C. quinquefasciatus at all microfilarial densities, but its survival time was much reduced. Thus, dogs with low microfilarial density are implicated as the main source for the transmission of D. immitis from dogs to mosquitoes.
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Cx. quinquefasciatus is a competent vector for transmission of D. immitis, as shown by experimental infections.
“both Lai et al. (2000) and Carvalho et al. (2008) have provided compelling evidence for the vector competence of Cx. quinquefasciatus , a member of the same complex, for the transmission of D. immitis by means of experimental infections.”
From Culex pipiens as a potential vector for transmission of Dirofilaria immitis and other unclassified Filarioidea in Southwest Spain (2016) · cites this paper as Lai et al. (2000)
The survival of different vectors was linked to Dirofilaria microfilariae concentration in the mosquito species.
“Indeed, the survival of different vectors was linked to Dirofilaria microfilariae concentration in the mosquito species [24].”
From Risk of canine and human exposure to Dirofilaria immitis infected mosquitoes in endemic areas of Italy (2013) · cites this paper as [24]
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References 17 · Cited by 64
- Authors
- Lai, C.-H., Tung, K.-C., Ooi, H.-K., & Wang, J.-S.
- Affiliations
- National Chung Hsing University (TW)
- Corresponding author
- Wang, Jiunn-Shiow
- Venue
- Veterinary Parasitology
- Publisher
- Elsevier BV
- Published
- 2000-06
- Volume
- 90
- Issue
- 3
- Pages
- 231-237
- ISSN
- 0304-4017 (ISSN-L)
- OpenAlex
- W2131062241
- Cited by
- 64
- References
- 17
- Citations by year
- 2026: 5 · 2025: 4 · 2024: 2 · 2023: 4 · 2022: 4 · 2021: 5 · 2020: 4 · 2019: 3 · 2018: 7 · 2017: 2 · 2016: 6 · 2015: 2 · 2014: 1 · 2013: 3 · 2012: 3
- FWCI
- 0.52
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Veterinary Parasitology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Infectious Diseases › Parasitic Diseases Research and Treatment
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Research on Leishmaniasis Studies
- Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Mosquito-borne diseases and control
- Keywords
- Aedes albopictus, Culex quinquefasciatus, Dirofilaria immitis, canine heartworm disease, mosquito competence, microfilarial density, mosquito survival, larval development
- MeSH terms
- Aedes, Animals, Blood, Culex, Dirofilaria immitis, Dirofilariasis, Dog Diseases, Dogs, Female, Insect Vectors, Time Factors
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