Vector Competence of Aedes dorsalis (Diptera: Culicidae) from Morro Bay, California, for Western Equine Encephalomyelitis Virus

Laura D. Kramer; William Reisen; Robert E. Chiles

doi:10.1093/jmedent/35.6.1020

Vector Competence of Aedes dorsalis (Diptera: Culicidae) from Morro Bay, California, for Western Equine Encephalomyelitis Virus

Laura D. Kramer, William Reisen, Robert E. Chiles

School of Veterinary Medicine

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

In laboratory vector competence studies, Aedes dorsalis (Meigen) collected from Morro Bay CA, did not vertically transmit sympatric strains of western equine encephalomyelitis virus (WEE) This population of Ae. dorsalis was highly susceptible to oral infection and was a competent horizontal vector of WEE. The E2 region of the viral genome of the 3 virus strains isolated from Ae. dorsalis in Morro Bay were closely related genetically to a strain of WEE isolated in 1953 from a geographically separate location that is used regularly in the laboratory. These laboratory findings support recent field research and indicate that Ae. dorsalis probably does not play a significant role in WEE persistence in coastal California.

Original language	English (US)
Pages (from-to)	1020-1024
Number of pages	5
Journal	Journal of Medical Entomology
Volume	35
Issue number	6
DOIs	https://doi.org/10.1093/jmedent/35.6.1020
State	Published - Jan 1 1998

Keywords

Aedes dorsalis
Overwintering
Vector competence
Vertical transmission
Western equine encephalomyelitis virus

ASJC Scopus subject areas

Parasitology
veterinary(all)
Insect Science
Infectious Diseases

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abstract = "In laboratory vector competence studies, Aedes dorsalis (Meigen) collected from Morro Bay CA, did not vertically transmit sympatric strains of western equine encephalomyelitis virus (WEE) This population of Ae. dorsalis was highly susceptible to oral infection and was a competent horizontal vector of WEE. The E2 region of the viral genome of the 3 virus strains isolated from Ae. dorsalis in Morro Bay were closely related genetically to a strain of WEE isolated in 1953 from a geographically separate location that is used regularly in the laboratory. These laboratory findings support recent field research and indicate that Ae. dorsalis probably does not play a significant role in WEE persistence in coastal California.",

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AU - Reisen, William

AU - Chiles, Robert E.

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Vector Competence of Aedes dorsalis (Diptera: Culicidae) from Morro Bay, California, for Western Equine Encephalomyelitis Virus

Abstract

Keywords

ASJC Scopus subject areas

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