Hide M., Yean S., Suor K., Heng K., Sen S., Yim C., Leng S., Rakotonirina A., Fontenille Didier, Boyer S. (2024). Aedes unalom sp. nov. in Cambodia, a new Stegomyia species close to Aedes albopictus (Diptera, Culicidae). Journal of Asia-Pacific Entomology, 27 (2), p. 102233 [14 p.]. ISSN 1226-8615.
Titre du document
Aedes unalom sp. nov. in Cambodia, a new Stegomyia species close to Aedes albopictus (Diptera, Culicidae)
Année de publication
2024
Auteurs
Hide M., Yean S., Suor K., Heng K., Sen S., Yim C., Leng S., Rakotonirina A., Fontenille Didier, Boyer S.
Source
Journal of Asia-Pacific Entomology, 2024,
27 (2), p. 102233 [14 p.] ISSN 1226-8615
Preliminary genetic analysis of cytochrome c oxidase subunit 1 (COI) gene of specimens initially assigned to the mosquito Aedes albopictus based on morphology revealed two clusters. This observation led to further genetic and morphological analysis: a total of 86 Stegomyia specimens identified morphologically as Ae. (Stegomyia) albopictus, were collected between 2017 and 2019 in Cambodia. Their mitochondrial DNA COI gene and 5.8S-ITS2 rDNA were sequenced for molecular characterization and genetic analysis as well as Wolbachia presence/type. In 2022, additional Stegomyia specimens were collected for COI sequencing and morphological characterization. Of the 86 Stegomyia specimens, 14 specimens had divergent COI and 5.8S-ITS2 sequences compared to other Stegomyia species, and were negative for the presence of Wolbachia, unlike Ae. albopictus specimens which carried wAlbA and/or wAlbA B types. Additional trapping in 2022 resulted in the colletion of 11 specimens with similar divergent COI and 5.8S-ITS2 sequences. Sequence blast results did not match these COI and 5.8S-ITS2 sequences, neither within Stegomyia taxa nor other organisms. Lastly, after morphological examinations, specific characters were observed in adult mosquitoes and male genitalia, allowing the specimens to be described as a new Stegomyia species named Aedes unalom Maquart & Hide, sp. nov. This species lives in sympatry with other Stegomyia species such as Ae. albopictus or Ae. aegypti and does not carry Wolbachia. This new species should be considered as a potential arbovirus vector.
Plan de classement
Entomologie médicale / Parasitologie / Virologie [052]
Description Géographique
CAMBODGE
Localisation
Fonds IRD [F B010090731]
Identifiant IRD
fdi:010090731
