【摘要】 用金属粉标记新羽化大劣按蚊30,052只,在海南岛琼中县山林地区的山谷释放,以释放点为中心,在东、南、西、北方向设回收站,用人饵诱捕连续四个晚上,雌蚊的回收率为0.472％。在各个方向回收的雌蚊数目并无显著差异,而且扩散均达到1km,最远的距离在南边1.4km。更多还原

【Abstract】 Thirty thousand and fifty-two newly emerged adults of Anopheles dirus marked with metallic dust were released in a valley of mountainous area in Hainan Island. Totally 0.472% of marked females were recaptured by man bait in four successive nights after release. The dispersal numbers of recaptured females in all directions were insignificantly different and reached one kilometer, but the furthermost was 1.4 kilometers to the south of releasing point.更多还原