关键词: 羊群, 医学节肢动物, 媒介昆虫, 优势种, 地理分布

Abstract: Parasitic arthropods in the flock of sheep in Shanxi Province were investigated and analysed from May, 1992 to June, 1994.The investigated areas consisted of 1389 villages or towns of 108counties or cities in Shanxi province.1340 sheep and 1466 goats were inspected.It was demonstrated thatthe parasitic arthropods consisted of 19 species belonging to 7 families.The dominated species were Oestrus ovis and Sarcoptes scabiei var.ovis in the whole province, Dermacenter nuttalli in the north of Shanxi, Sarcoptes sabiei var.caprae, Psorptes equi var.ouis, P.equi var.caprae, Haemaphysalis uerti- calis, Hyalomma Hyalomma detritum, Boophilus Hyalomma rufipes and Ixodes pomeramtze- vi in proper order in the south of Shanxi.In addition, some new species, e.g.Hippobosca (underfinedspecies), Linguatula (underfined species), Haemaphysalis bispinose and Hyalomma detritus albipictum were found in Shanxi province.In the south of Shanxi, warmer weather, lower elevation, more rainfall,and more species of medical arthropod than the others.