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Hide Mallorie,Maquart Pierre-Olivier,Yean Sony,Suor Kimhuor,Heng Kimly,Sen Saoya,Yim Chanmuneneath,Leng Sokkeang,Rakotonirina Antsa,Fontenille Didier,Boyer Sebastien 한국응용곤충학회 2024 Journal of Asia-Pacific Entomology Vol.27 No.2
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) albo pictus, 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.
Maquart Pierre-Olivier,Rahola Nil,Chhuoy Kalyan,Heng Kimly,Chhum Moeun,Suor Kimhuor,Boyer Sébastien 한국응용곤충학회 2023 Journal of Asia-Pacific Entomology Vol.26 No.2
Toxorhynchites are often nicknamed “elephant mosquitoes” due to their large size and bent proboscis. These colorful mosquitoes are generally covered with iridescent and metallic-colored scales and do not require blood feeding to perform their oogenesis since females acquire all the required proteins during their larval stages. Consequently, they are not involved in the transmission of pathogens, and are not considered to be of medical importance. This genus is comprised of 89 species worldwide, including three in Cambodia. During a survey conducted in Veun Sai Siem Pang National Park and in Kirirom National Park in 2021, several larvae of Toxo rhynchites were collected inside pitchers of the carnivorous plant Nepenthes smilesii. Upon investigation, they were proven to belong to a new species, Tx. domrey sp. nov., described in the present article. LSID: https://zoobank.org/6D09A56F-A509-4FE6-BE4B-BAB5F0CB748F.