The longevity of Aedes aegypti mosquitoes is determined by carbohydrate intake
ABSTRACT Aedes aegypti is the vector of several viral diseases. The main way to control these diseases is to fight the vector. Thus, it is necessary to breed mosquitoes in the laboratory in order to develop strategies to control these insects. In laboratories, different carbohydrates are used for feeding mosquitoes. The aim of this study is to evaluate the longevity and the weight of Ae. aegypti fed with different carbohydrates diets. As methods, 120 mosquitoes were distributed in insectaries and each group received a different diet, based on honey, dextrose or maltodextrin. To assess the longevity, survival analysis was performed using the Long Rank test and chi square test. To assess the weight, the dead insects were frozen and weighed at the end of the experiment. As results it was observed that mosquitoes fed with the honey, maltodextrin and dextrose diet lived on average 33, 35 and 47 days respectively. When weight was assessed, mosquitoes fed with honey weighed 125 ± (35.3) µg, while those fed with dextrose and maltodextrin weighed 225 ± (35.3) µg and 275 ± (35.3) µg respectively. The results show that the intake of dextrose and maltodextrin by Ae. aegypti adults increases their survival and their weight.
Main Authors: | Posidonio,A.P.V., Oliveira,L.H.G., Rique,H.L., Nunes,F.C. |
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Format: | Digital revista |
Language: | English |
Published: |
Universidade Federal de Minas Gerais, Escola de Veterinária
2021
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352021000100162 |
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