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本文对澜沧江下游地带不同方位的中华按蚊季节消长、夜间活动节律进行了系统观察比较,结果发现当地的中华按蚊全年活动;山脚地带与半山腰的中华按蚊种群密度无显著差异,与两地带相对应的村内与野外方位的该蚊种群密度亦无显著差异(P<0.05);并且该蚊几乎全夜间活动。
In this paper, the seasonal fluctuation and night-time activity rhythms of Anopheles sinensis in different directions in the lower Lancangjiang River Basin were systematically observed and compared. The results showed that there was no significant difference in population density between the Chinese Anopheles sinensis and the mountainous area There was also no significant difference (P <0.05) in the population density of the mosquitoes between the two areas in the village and in the open field; and the mosquito was active almost overnight.