Abstract
Flight and feeding (blood and sugar) behavior of 2 groups each, reared under different crowding densities, of highly autogenous (Cayman Islands strain) and anautogenous (Lake Charles strain) strains of Aedes taeniorhynchus (Wiedemann) were investigated. In the anautogenous strain, temporary crowding during larval stages produced adults which, by flight-pattern analysis, exhibited the potential for migratory flight behavior as compared with the non-migratory behavior observed in adults reared under non-crowded conditions. In the autogenous strain, both temporary crowded and noncrowded larval rearing conditions produced adults exhibiting a potential for migratory behavior. Sugar feeding in both strains started within a day after emergence and was considerably pronounced in the non-crowded group of the anautogenous strain and in the temporary crowded group of the autogenous strain. Blood-feeding behavior was dramatically different in the 2 strains; the anautogenous Lake Charles strain started to feed heavily on blood 24 h after emergence, while the autogenous Cayman Islands strain started blood feeding only 2 to 3 days after emergence.
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