Presence of ascogregarina culicis and ascogregarina sp. In natural sympatric populations of aedes aegypti and ae. albopictus (diptera: Culicidae) in argentina

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Abstract

Aedes aegypti is the main vector of the four arboviruses in America which have the greatest impact on human health. The introduction of Aedes albopictus in South America and Argentina acquires importance given the possibility that this species may be a new vector of arboviruses in this region. For this reason, the studies of the biology of their parasites, such as Ascogregarina spp., should be important for the knowledge of the invasive behavior of these vectors. We reported the finding of Ascogregarina culicis in Aedes aegypti and Ascogregarina sp. in Ae. albopictus populations in subtropical Argentina. The prevalence of parasitism by A. culicis in Ae. aegypti and Ascogregrarina sp. in Ae. albopictus was 34.81% (n = 464) and 37.23% (n = 70), respectively, differing between the seasons and habitats. The infection intensity caused by A. culicis and Ascogregarina sp. varied between 1 to 250 and 1 to 327 trophozoites respectively. Ascogregarina culicis was found throughout the all sampling period of Ae. aegypti (June 2016-April 2018). However the presence of Ascogregarina sp. in the midgut of Ae. albopictus was not recorded throughout the whole sampling period despite the presence of the host.

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Alonso, A. C., Stein, M., & Micieli, M. V. (2021). Presence of ascogregarina culicis and ascogregarina sp. In natural sympatric populations of aedes aegypti and ae. albopictus (diptera: Culicidae) in argentina. Anais Da Academia Brasileira de Ciencias, 93(2). https://doi.org/10.1590/0001-3765202120200058

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