A monthly survey of Aedes aegypti
and Aedes albopictus
immatures in discarded tires at a site in metropolitan Rio de Janeiro showed that Ae. albopictus
was much more abundant in the rainy season, but Ae. aegypti
abundance showed a less clear seasonal pattern. Pupal masses for Ae. albopictus
showed a seasonal trend. In contrast, Ae. aegypti
pupae did not show any clear trend in weight. Large Ae. albopictus
pupae were found in the warmer months, when water volume was higher, pH lower, and larval abundance lower. Further studies should be carried out to assess how seasonal variations in body size may impact vector competence of these species in Brazil.