Abstract
Beside numerous extensive studies on Anophelinae mosquitoes of Iran, little is known on Aedes species in the country and existing reports are dispersed. The objective of this study was to identify adults of Culicinae species occurring in the Sistan and Baluchestan Province, southeast of Iran, during 2012–2014. Mosquito collections were carried out three times (May–June, September, October–November) in four counties by Centers for Diseases Control (CDC) light traps and human landing catches outdoors and under bed nets baited with carbon dioxide. These trapping were carried out two consecutive nights during the field studies. Several mosquito collections were also conducted with aspirator and pyrethrum spray space catches during the day. A total of 1885 mosquitoes were collected, belonging to 10 species of genus Culex including Cx. pipiens Complex, Cx. laticinctus, Cx. sinaiticus, and Cx. tritaeniorhynchus, one species of the genus Culiseta, Cs. longiareolata, and five species of the genus Aedes, Ae. caspius, Ae. vexans, Ae. detritus, Ae. albopictus, and Ae. unilineatus. Ae. vexans was the dominant species in the area (77.7%). During the study, seven Ae. unilineatus were collected in two villages near the city of Chabahar located in a coastal area; this is the first record for Iran and identification was confirmed by Cytochrome oxidase (COI) sequences analysis. Confirmation of the presence of Ae. unilineatus in the country raises the number of species of the genus Aedes to 12. The detection of this species reveals its probable establishment in the southeast of the country, which has implications for public health such as dengue and Zika infections and requires active entomological surveillance and implementation of adapted vector control measures in the area.
Résumé
Bien qu’il existe de nombreuses études très complètes sur les Anophélinés d’Iran, on connaît mal la diversité de leurs espèces, et les rapports qui existent sont difficiles à trouver. Le but de cette étude est d’identifier les imagos de Culicinés trouvés dans la Province du Sistanet-Balouchistan, au sud-est de l’Iran, durant les années 2012 à 2014. Les collectes de moustiques ont été réalisées sur trois périodes (mai/juin, septembre, octobre/novembre) dans trois départements à l’aide de lampes trappes CDC, par captures humaines à l’extérieur des maisons et avec des moustiquaires imprégnées de dioxyde de carbone. Ces collectes ont été menées deux nuits consécutives au cours de chaque étude de terrain. Plusieurs collectes ont également été réalisées de jour à l’aide d’aspirateurs et par des pulvérisations de pyrèthre. Au total, 1 885 moustiques ont été collectés appartenant à dix espèces du genre Culex faisant partie du complexe. Culex quinquefasciatus, Culex laticinctus, Culex sinaiticus et Culex tritaeniorhynchus, quelques espèces du genre Culiseta, Cs. longiareolata, et cinq espèces du genre Aedes, Aedes caspius, Aedes vexans, Aedes detritus, Aedes albopictus et Aedes unilineatus. Ae. vexans était l’espèce la plus représentée dans cette zone (77,7 %). À l’occasion de cette étude, sept Ae. unilineatus ont été collectées dans deux villages près de la ville de Chabahar située sur la côte. C’est la première identification de cette espèce en Iran et elle a été confirmée par l’analyse des séquences COI. La présence d’Ae. unilineatus dans le pays y fait passer à 12 le nombre d’espèces du genre Aedes. La découverte de ces espèces montre leur probable installation au sud-est du pays avec des implications possibles en santé publique sur la dengue et l’infection par le virus Zika, et elle nécessite une surveillance entomologique active ainsi que la mise en place de mesures adaptées de contrôle vectoriel dans cette zone.
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Yaghoobi-Ershadi, M.R., Doosti, S., Schaffner, F. et al. Morphological studies on adult mosquitoes (Diptera: Culicidae) and first report of the potential Zika virus vector Aedes (Stegomyia) unilineatus (Theobald, 1906) in Iran. Bull. Soc. Pathol. Exot. 110, 116–121 (2017). https://doi.org/10.1007/s13149-016-0530-1
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DOI: https://doi.org/10.1007/s13149-016-0530-1
Keywords
- Culicinae
- Culex quinquefasciatus
- Culex laticinctus
- Culex sinaiticus
- Culex tritaeniorhynchus
- Aedes caspius
- Aedes vexans
- Aedes detritus
- Aedes albopictus
- Aedes unilineatus
- Paroomi
- Voshnamdorr
- Chabahar
- Konarak
- Saravan
- Zabol
- Dengue virus
- Zika virus
- Sistan and Baluchestan Province
- Iran
- Middle South Asia