福建厦门市菩提皮粉虱种群消长研究

Study on Population Dynamics of Pealius spina in Xiamen City,Fujian Province

调查表明,厦门菩提皮粉虱若虫发生高峰期分别在8月上旬(8月1日)、8月下旬(8月29日)、9月下旬(9月28日)和11月中旬(11月12日),卵的高峰期出现在7月下旬(7月26日)、8月下旬(8月29日)、9月下旬(9月28日)和10月下旬(10月31日)。在厦门一年可发生5代,其中第四代虫口数量达到全年高峰,菩提皮粉虱12月中旬开始越冬。

This study results showed that the occurrence peak of nymphs of Pealius spina in Xiamen were August 1, August 29, September 28 and November 12; the occurrence peak of eggs were July 26, August 29, September 28 and October 31. P. spina developed about 5 generations a year, of which the fourth generation had the highest population, and started into overwinter in mid December in Xiamen.