摘要
目的了解黄胸鼠体表寄生性革螨的种类组成及物种多样性。方法调查当晚用鼠笼加食饵诱捕小型哺乳动物(小兽),次晨收集所捕获小兽,并分类鉴定出黄胸鼠。从黄胸鼠体表检查、采集所有革螨,用霍氏液(Hoyer’ssolution)封片,制成革螨玻片标本,经干燥透明后于光学显微镜下鉴定螨种。结果1990-2004年在云南省境内共调查25个县(市),捕获黄胸鼠3765只,从其体表采集到革螨18 250只,经分类鉴定隶属于9科17属40种。在40种革螨中,纳氏厉螨、毒厉螨和柏氏禽刺螨3种采集数量最多,其中纳氏厉螨10 667只(58.45%),毒厉螨5124只(28.08%),柏氏禽刺螨1286只(7.05%)。在动物地理分布中,西南山地亚区采集到革螨37种,以纳氏厉螨(51.74%)、毒厉螨(29.74%)和柏氏禽刺螨(11.40%)为主;滇南山地亚区采集到革螨25种,以纳氏厉螨(64.35%)和毒厉螨(26.61%)为主。结论云南省黄胸鼠体表寄生革螨种类丰富,物种多样性高,不同动物地理区域的革螨种类组成存在差异。
Objective To understand species composition of gamasid mites on the body surface of Rattus flavipectus （a dominant species of domestic rats in Yunnan, China） and species diversity. Methods Twenty-flve counties （towns） in Yunnan province were chosen to investigate the ectoparasitic gamasid mites on the body surface of R. flavipectus. All the individuals of R. flavipectus were randomly captured by mouse-traps and the gamasid mites on the body surface of R. flavipectus were all collected. Every individual of the gamasid mites was mounted on a glass slide after the dehydration and clarification in a conventional way. The mounted specimens of the gamasid mites were finally identified under a microscope. Results 18 250 gamasid mites were collected from the body surface of 3765 captured rats （ R. flavipectus ） and all the mites were identified as 40 species of 17 genera in 9 families. Of the 40 species of gamasid mites, three gamasid mite species （ Laelaps nuttalli, L. echidninus and Ornithonyssus bacoti） were the dominants. L. nuttalinus has 10 667 individuals collected（58.45 % ） while L.echidninus 5124 （28.08%） and O.bacoti 1286 （7.05%）. 37 species of gamasid mites are found in the southwest mountainous subregion in zoogeography with three dominant species, L. nuttalli （51.74 % ）, L. echidninus （29.74 % ） and O. bacoti （11.40 % ）. In comparison with the species in the southwest mountainous subregion of Yunnan, less species of the mites （25 species） are collected in the southern mountainous subregion of Yunnan with two dominant mite species, L. nuttalli （64.35 % ） and L. echidninus （26.61% ）. Conclusion The ectoparasitic gamasid mite species on R. flavipectus in Yunnan province are very abundant and the species compositions of the gamasid mites are different in different zoogeographical regions.
出处
《中国媒介生物学及控制杂志》
CAS
CSCD
北大核心
2006年第5期395-398,共4页
Chinese Journal of Vector Biology and Control
基金
云南省自然科学基金(2003C0057M)
云南省教育厅科研基金(032619C)
云南省教学科研带头人培养基金
关键词
蜱螨亚纲
革螨
黄胸鼠
种类组成
云南
Acari
Gamasid mite
Rattus flavipectus
Species composition
Yunnan
