西北地区白纹伊蚊地理分布初步调查

Preliminary investigation on geographic distribution of Aedes albopictus in northwest China

目的调查了解白纹伊蚊在西北地区的分布。方法帐诱、人诱法、畜诱法、网捕法和文献资料收集。结果白纹伊蚊在陕西省除陕北黄土高原外遍布大部分地区;甘肃省仅在文县、康县、徽县、成县和两当县发现有白纹伊蚊;在宁夏和青海采集的大量标本中没有发现白纹伊蚊。结论白纹伊蚊在西北地区分布的界限有向西扩大。

Objective To clarify the geographical distribution of Aedes albopictus in northwest China. Methods Using bedent snars, person snars, animal snars and insect net to collect Aedes albopictus from northwest China. Results Aedes albopictus distributed in most parts of Shanxi Province, except the Shanbei plateau ; but Aedes albopict was only found in Wen County, Kang County,Cheng County and Liangdang County in Gansu Province;Aedes al- bopictus was not found in the large number of specimens collected in Ningxia Province and Qinghai Province. Conclusion Distribution boundaries of Aedes albopictus in the northwest China is expanding westward.