Objective To investigate the characteristics of hypodermosis in rodents in the border areas between China and Mongolia in Junggar basin, and to provide a basis for the prevention and control of zoonotic myiasis. Methods From 2019 to 2020, the one-day bow-shaped clamp trap method was used to catch rodents in the border areas of China-Mongolia ports in Junggar basin. The rodents were inspected to collect ecto- and endoparasites. Morphological methods were used to identify the species of maggot larvae. An analysis was performed on the epidemic characteristics and risk warning of hypodermosis in Citellus undulatus. Results In the border areas of Hongshanzui and Takeshiken China-Mongolia ports, 339 rodents were caught, among which 49 were infected with hypodermosis. Among the 21 Clethrionomys rutilus rodents, 2 (9.52%) were infected with the first instar maggot larvae. Among the 318 C. undulates rodents, 47 (14.78%) were infected with hypodermosis. A total of 102 maggot larvae in various stages were collected from C. undulates, with an infection intensity of 2.17. The maggots appeared in June, peaked in July and August, and disappeared at the end of September. They parasitized mainly on the abdomen and roots of the limbs of rodents, and a few were subcutaneous on the back. The pathogen of hypodermosis that infected C. undulates was identified as the third instar maggot larvae of Oestroderma schubini, (Diptera: Hypodermatidae). Conclusion Hypodermosis is first recorded in C. undulatus in the border areas between China and Mongolia in Junggar basin, and this is of important practical significance for the monitoring of zoonotic myiasis and the early warning of the transmission risk of pathogenic flies.
LIU Ge, ZHANG Hui, YIN Xiao-ping, GIGER Kamaile, KU Jun-tao, MENG Yong-wen, ZHANG Zhao-guan, BAI Cen, MA Chao-jun, ZHANG Hui
. First report of hypodermosis in Citellus undulatus in the border areas between China and Mongolia in Junggar basin and early warning and monitoring of tachinids[J]. Chinese Journal of Vector Biology and Control, 2021
, 32(5)
: 624
-628
.
DOI: 10.11853/j.issn.1003.8280.2021.05.023
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