Abstract
Hemocytes were perfused from uninoculated, saline-inoculated, and Dirofilaria immitis microfilariae-inoculated Aedes trivittatus and assessed for their capacity to bind wheat germ agglutinin (WGA). Approximately one-fourth of perfused hemocytes were WGA positive in all groups of mosquitoes at all time periods tested. Results suggest A. trivittatus has a larger inherent population of immune-competent hemocytes as compared with Aedes aegypti and, therefore, is faster and more effective in killing microfilariae by melanotic encapsulation reactions.
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