Laboratory Vector Competence of Black Flies (Diptera: Simuliidæ) for the Indiana Serotype of Vesicular Stomatitis Virus

: In previous experiments we have demonstrated that colonized and wild black flies are competent laboratory vectors of different Mexican and Western USA isolates of vesicular stomatitis virus, serotype New Jersey (VSV‐NJ). We have recently demonstrated biological VSV‐NJ transmission by black flies u...

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Bibliographic Details
Published in:Annals of the New York Academy of Sciences 2000-12, Vol.916 (1), p.437-443
Main Authors: MEAD, DANIEL G., RAMBERG, FRANK B., MARÉ, C. JOHN
Format: Article
Language:English
Subjects:
Animals
Diptera - virology
Insect Vectors
Rhabdoviridae Infections - transmission
Rhabdoviridae Infections - veterinary
Saliva - virology
Stomatitis - veterinary
Stomatitis - virology
Vesicular stomatitis Indiana virus - classification
Vesicular stomatitis Indiana virus - isolation & purification
Vesiculovirus
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Summary:: In previous experiments we have demonstrated that colonized and wild black flies are competent laboratory vectors of different Mexican and Western USA isolates of vesicular stomatitis virus, serotype New Jersey (VSV‐NJ). We have recently demonstrated biological VSV‐NJ transmission by black flies using animal models. In the study described here, we tested the vector competence of colonized and wild black flies for the vesicular stomatitis virus, serotype Indiana (VSV‐IN). A 1998 equine isolate was used. After a 10 day incubation period, saliva from experimentally infected Simulium vittatum and S. notatum was individually collected and tested for the presence of infectious virus. Virus was detected in the saliva of both species following oral infection, indicating that they are competent laboratory vectors of VSV‐IN. In addition, the results suggest that the black fly gut may exert evolutionary pressures on the virus.
ISSN:0077-8923
1749-6632
DOI:10.1111/j.1749-6632.2000.tb05323.x