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Am. J. Trop. Med. Hyg., 27(1), 1978, pp. 184-186
Copyright © 1978 by The American Society of Tropical Medicine and Hygiene

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Laboratory Studies of Transovarial Transmission of Trivittatus Virus by Aedes Trivittatus*

Bruce M. Christensen, Wayne A. Rowley, Yau W. Wong, Donald C. Dorsey AND William J. Hausler, Jr.
Department of Entomology, Iowa State University, Ames, Iowa 50011, and State Hygienic Laboratory, University of Iowa, Iowa City, Iowa 52240

Aedes trivittatus were experimentally exposed through a membrane to a concentration of trivittatus (TVT) virus in dog defibrinated blood of 103.4–103.5 SMICLD50/0.025 ml. Transovarial and transstadial transmission was demonstrated. Fifty-five percent of the infected mosquitoes tested transovarially transmitted TVT virus. TVT virus was isolated from 16% of the F1 generation progeny examined, including 19% of the larvae, 23% of adult females, and 10% of adult males.

Accepted for publication July 23, 1977.


* Journal Paper No. J-8789 of the Iowa Agriculture and Home Economics Experiment Station, Ames, Iowa 50011. Project No. 2053.







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Copyright © 1978 by the American Society of Tropical Medicine and Hygiene.