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Journal of medical entomology2000; 37(5); 701-706; doi: 10.1603/0022-2585-37.5.701

Effect of eastern equine encephalomyelitis virus on the survival of Aedes albopictus, Anopheles quadrimaculatus, and Coquillettidia perturbans (Diptera: Culicidae).

Abstract: The effect of eastern equine encephalomyelitis (EEE) virus on the survivorship of Aedes albopictus (Skuse), Anopheles quadrimaculatus Say, and Coquillettidia perturbans (Walker) was determined experimentally. Female mosquitoes were allowed to feed on EEE viremic chicks, and survival rates were compared for infected and uninfected mosquitoes. Additionally, the survival of female Cq. perturbans and An. quadrimaculatus intrathoracically (i.t.) inoculated with EEE was compared with controls receiving diluent inoculations. Infection with EEE significantly reduced survival in Cq. perturbans compared with uninfected individuals in per os infection experiments. I.t. infections of Cq. perturbans did not reduce survival when compared with diluent inoculated groups. In contrast, infection with EEE did not affect the survival of Ae. albopictus after per os infection or An. quadrimaculatus after either i.t. or per os infections.
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Publication Date: 2000-09-27 PubMed ID: 11004781DOI: 10.1603/0022-2585-37.5.701Google Scholar: Lookup
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  • Journal Article
  • Research Support
  • Non-U.S. Gov't
  • Research Support
  • U.S. Gov't
  • Non-P.H.S.

Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The study investigates the impact of the eastern equine encephalomyelitis (EEE) virus on the survival rates of several types of mosquitoes: Aedes albopictus, Anopheles quadrimaculatus, and Coquillettidia perturbans. The researchers found that infection with EEE significantly reduces the survival rate in Coquillettidia perturbans, but not in the other two types of mosquitoes.

Methodology

  • The researchers conducted experiments to determine the survival rates of the selected mosquito species when infected with the EEE virus.
  • Female mosquitoes were allowed to feed on EEE viremic chicks (chicks with the EEE virus in their bloodstream).
  • They then compared survival rates between infected and uninfected mosquitoes.
  • The research team also looked into the survival of two specific mosquito species, Coquillettidia perturbans and Anopheles quadrimaculatus, after being intrathoracically (within the chest area) inoculated with EEE.
  • The inoculated mosquitoes were compared with control groups that received diluent inoculations (a substance used to dilute the virus for the purpose of the experiment).

Results and Conclusion

  • The researchers found that infection with the EEE virus significantly reduced the survival rate in Coquillettidia perturbans when compared with the survival rate of uninfected individuals from the same species in per os (oral) infection experiments.
  • However, when Coquillettidia perturbans were infected intrathoracically, there was no noticeable difference in survival rates when compared to the diluent-inoculated groups.
  • In contrast, the survival rates of Aedes albopictus and Anopheles quadrimaculatus were not affected by EEE infection, irrespective of whether the infection was oral or intrathoracic.
  • The findings suggest that the EEE virus could potentially affect mosquito populations, specifically the Coquillettidia perturbans species, and alters their survival rates. This has implications for disease transmission, vector control, and the overall ecology of these mosquito species.

Cite This Article

APA
Moncayo AC, Edman JD, Turell MJ. (2000). Effect of eastern equine encephalomyelitis virus on the survival of Aedes albopictus, Anopheles quadrimaculatus, and Coquillettidia perturbans (Diptera: Culicidae). J Med Entomol, 37(5), 701-706. https://doi.org/10.1603/0022-2585-37.5.701

Publication

Journal of medical entomology
ISSN: 0022-2585
NlmUniqueID: 0375400
Country: England
Language: English
Volume: 37
Issue: 5
Pages: 701-706

Researcher Affiliations

Moncayo, A C
  • Department of Entomology, University of Massachusetts, Amherst 01003, USA.
Edman, J D
    Turell, M J

      MeSH Terms

      • Animals
      • Anopheles / virology
      • Culicidae / virology
      • Encephalitis Virus, Eastern Equine / pathogenicity
      • Encephalomyelitis, Equine / transmission
      • Female
      • Insect Vectors / virology

      Citations

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