New distribution records of <i>Aedes aegypti</i>, <i>Aedes mediovittatus</i>, and <i>Toxorhynchites portoricensis</i> (Diptera: Culicidae) in Puerto Rico and their relevance to Integrated Vector Management.

ABSTRACT: As of October 2025, Puerto Rico has been experiencing an ongoing dengue outbreak that started in March 2024. The latest island-wide mosquito survey conducted in Puerto Rico during 2018-2019 covered 41 of the 78 municipalities and detected the presence of Aedes aegypti in 27 of the municipalities. Given the prolonged elevated circulation of dengue virus on the island, we carried out an additional Ae. aegypti survey in June 2025 across 44 out of 78 municipalities, including areas with no prior records of the species. Here, we report the occurrence of Ae. aegypti in 43 out of 44 municipalities surveyed, including ten new municipalities where Ae. aegypti has not been reported. These findings provide insight into the dispersal of Ae. aegypti in Puerto Rico, in

SUBMITTER: Bae JS 

PROVIDER: S-EPMC12633309 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature