Studies on Avian Malaria in Vectors and Hosts of Encephalitis in Kern County, California

III. The Comparative Vector Ability of Some of the Local Culicine Mosquitoes

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Culex tarsalis, Culex stigmatosoma and Culex quinquefasciatus were susceptible to infection with and capable of transmitting to canaries local strains of Plasmodium relictum.

Culex tarsalis and Culex stigmatosoma were more easily infected with these strains than was Culex quinquefasciatus. This observation affords an explanation for the difference in natural infection rates observed in other studies.

Author Notes

Present address: Laboratory of Tropical Diseases, National Institutes of Health, Bethesda, Maryland.