【摘要】 对黑水县三个不同海拔高度 (1810～ 2 40 0 m)的山洞内白蛉密度的变化情况进行了调查 ,并对捕获的白蛉作了鉴定 ,发现三个观察点的白蛉皆系中华白蛉 ,在一年内均有两个密度高峰期 ,白蛉全年持续活动时间约为四个半月。更多还原

【Abstract】 Recent years, patients of visceral leishmaniasis often occurred in Heishui County. Sandflies in three caves of different altitude from 1 810m to 2 400m were collected in every 10~14 days. All sandflies were identified as Phlebotomus chinensis. The density of sandfly in each cave had two peaks in a year. The active period of sandfly in Heishui County lasts for 4.5 months.更多还原