Original Reports

Surveillance and identification of intercepted ticks carried by wool imported from Kyrgyz Republic to Xinjiang Uygur Autonomous Region, China

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  • 1 Animal and Plant Test Laboratory, Inspection and Quarantine Technical Center of Xinjiang Entry-Exit Inspection and Quarantine Bureau, Urumqi 830063, Xinjiang Uygur Autonomous Region, China;
    2 Technical Center for Animal, Plant and Food Inspection and Quarantine, Shanghai Entry-Exit Inspection and Quarantine Bureau

Received date: 2019-10-19

  Online published: 2020-02-20

Supported by

Supported by the National Key R&D Program of China (No. 2016YFC1202000, 2016YFC1202004) and General Administration of Customs Research Project (No. 2018IK063)

Abstract

Objective To monitor and identify the ticks carried by wool imported from Kyrgyz Republic to China, and to prevent the transmission of harmful vectors through international trade. Methods Sixteen batches of wool imported from Kyrgyz Republic at Turgart port, Xinjiang Uygur Autonomous Region, from September 2017 to June 2018 were examined to detect ticks. The detected ticks were subjected to morphological identification. Genomic DNA was extracted from the ticks, and the mitochondrial 16S rRNA gene, 18S rRNA gene, and cytochrome C oxidase subunitⅠgene were amplified and sequenced to construct a phylogenetic tree using MEGA 7.0 software for molecular biological identification. Results Sixteen batches of wool were imported from Kyrgyz Republic, and ticks were detected in 11 batches of the imported wool. A total of 39 ticks were detected, including 1 live tick. They belonged to 5 species of 4 genera in 2 families as identified by morphological and molecular phylogenetic analysis:Ornithodoros lahorensis, Hyalomma asiaticum, Dermacentor marginatus, Haemaphysalis punctata, and H. sulcata. There were 30 ticks of H. sulcata, as the predominant species (76.9% of the total number) of intercepted ticks carried by the wool imported from Kyrgyz Republic. The live tick was a nymph of O. lahorensis. Conclusion The intercepted ticks are probably detected in wool imported from Kyrgyz Republic, which are mainly H. sulcata. The live nymph of O. lahorensis was intercepted for the first time. Therefore, the quarantine of ticks carried by wool imported from Kyrgyz Republic should be strengthened to prevent vector invasion and transmission of harmful diseases.

Cite this article

WANG Ke-ke, HE Yu-ping, WANG Qiang, LIN Ying-zheng, CHEN Rui-hua, WANG Yan, SHI Qian, DENG Yao-hua, XU Xin-feng, CHEN Zhi-fei, LI Shu-qing . Surveillance and identification of intercepted ticks carried by wool imported from Kyrgyz Republic to Xinjiang Uygur Autonomous Region, China[J]. Chinese Journal of Vector Biology and Control, 2020 , 31(1) : 41 -45 . DOI: 10.11853/j.issn.1003.8280.2020.01.009

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