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Diversity and abundance of Culicoides on goat and cattle farms in the southern part of the Republic of Korea
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DOI：10.1051/parasite/2026005.png)
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Abstract
En 中文
Biting midges of the genus Culicoides Latreille (Ceratopogonidae) pose a significant threat to veterinary health as vectors of over 60 viruses, most of which affect livestock. In this study, we used light traps to sample Culicoides populations on cattle and goat farms from May to October 2023 at 15 sites in Gyeongsangnam-do, Jeollanam-do, and Jeju Island, South Korea. Diversity and abundance were analysed based on the collection date, environmental conditions, and host species. A total of 124,055 individuals were collected, comprising 14 previously recorded and two newly recorded species: C. asiana and C. palawanensis. The dominant species was C. arakawae, which accounted for 80.60% of the total collected individuals, followed by C. punctatus (10.25%), and C. tainanus (3.36%), while the remaining 13 species constituted 5.80% of the collection. Total Culicoides abundance peaked in August (40.15%), driven largely by fluctuations in C. arakawae abundance, but the seasonal abundances of individual species varied. Culicoides arakawae and C. punctatus were dominant on the mainland, while C. matsuzawai, C. lungchiensis, and C. tainanus were dominant on Jeju Island. The dominant species on cattle farms were C. arakawae and C. punctatus, while C. arakawae dominated in collections from goat farms. The detection of two new species records suggests that the fauna of South Korea is still incompletely understood. Les moucherons piqueurs du genre Culicoides Latreille (Ceratopogonidae) constituent une menace importante pour la sant & eacute; animale, car ils sont vecteurs de plus de 60 virus, dont la plupart affectent le b & eacute;tail. Dans cette & eacute;tude, nous avons utilis & eacute; des pi & egrave;ges lumineux pour & eacute;chantillonner les populations de Culicoides dans des & eacute;levages caprins et bovins, de mai & agrave; octobre 2023, sur 15 sites r & eacute;partis dans les provinces de Gyeongsangnam-do, Jeollanam-do et sur l'& icirc;le de Jeju. La diversit & eacute; et l'abondance ont & eacute;t & eacute; analys & eacute;es en fonction de la date de collecte, des conditions environnementales et de l'esp & egrave;ce h & ocirc;te. Au total, 124 055 individus ont & eacute;t & eacute; collect & eacute;s, appartenant & agrave; 14 esp & egrave;ces d & eacute;j & agrave; r & eacute;pertori & eacute;es et & agrave; deux esp & egrave;ces nouvellement r & eacute;pertori & eacute;es : C. asiana et C. palawanensis. L'esp & egrave;ce dominante & eacute;tait C. arakawae, repr & eacute;sentant 80,60 % du total des individus collect & eacute;s, suivie de C. punctatus (10,25 %) et C. tainanus (3,36 %), tandis que les 13 autres esp & egrave;ces constituaient 5,80 % des collectes. L'abondance totale des Culicoides a atteint un pic en ao & ucirc;t (40,15 %), principalement en raison des fluctuations de l'abondance de C. arakawae, mais l'abondance saisonni & egrave;re des diff & eacute;rentes esp & egrave;ces variait. Les esp & egrave;ces C. arakawae et C. punctatus & eacute;taient dominantes sur le continent, tandis que C. matsuzawai, C. lungchiensis et C. tainanus l'& eacute;taient sur l'& icirc;le de Jeju. Les esp & egrave;ces dominantes dans les & eacute;levages bovins & eacute;taient C. arakawae et C. punctatus, tandis que C. arakawae dominait dans les collections provenant des & eacute;levages caprins. La d & eacute;tection de deux esp & egrave;ces nouvellement r & eacute;pertori & eacute;es sugg & egrave;re que la faune de la Cor & eacute;e du Sud est encore mal connue.
Keywords:
Biting midges
Culicoides
Species diversity
Distribution
Unrecorded species
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