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目的记录、分析青海省革螨和恙螨的组成、分布及其与疾病的关系,为预防控制鼠疫等自然疫源性疾病提供科学依据。方法结合鼠疫疫源地内动物、昆虫区系分布与种群结构的调查工作,采集动物体外寄生螨进行分类鉴定。结果青海省自6种鼠疫染疫动物体表和巢穴中调查到寄生革螨和恙螨55种,隶属于10科22属,占全省已知革螨和恙螨总数的47.01%,34种为古北种,两界兼有种21种;青海藏南亚区分布最多,达50种,黄土高原亚区和西部荒漠亚区分别为23种和11种,羌塘高原亚区发现的最少,目前仅3种。结论截止目前,尚未证实青海省一种螨类能自然感染鼠疫,螨类在该鼠疫疫源地内的作用和地位,有待进一步研究。
Objective To record and analyze the composition, distribution and the relationship between mite and chigger mites in Qinghai Province and to provide a scientific basis for the prevention and control of natural epidemic diseases such as plague. Methods In accordance with the investigation of the distribution of fauna, insect fauna and population structure in plague foci, the parasitic mites in vitro were collected for classification and identification. Results In Qinghai, 55 species of parasitic leather mites and chiggers were investigated from the surface and nest of 6 plague-infected animals, belonging to 10 families, 22 genera, accounting for 47.01% of the total number of leather mites and chiggers in the province, 34 21 species of both species in the two communities; the most widely distributed in southern Tibet in Qinghai was 50 species, with 23 species and 11 species in the sub-region of the Loess Plateau and the western desert respectively, the least in the Qiangtang Plateau sub-region, Currently only 3 kinds. Conclusion Up to now, it has not been confirmed that a kind of mite in Qinghai Province can naturally infect plague, and the role and status of mites in the plague origin need further study.