摘要
为了达到蚁狮的合理人工饲养,进行了不同饲食频率、不同饲养密度、不同沙粒粗细度三种条件各自对蚁狮种群密度分布的影响实验,结论是:(1)不同的饲食频率不影响蚁狮的种群密度分布,在经过几天调整后,其分布趋于稳定.其平均拥挤度2龄大于3龄.(2)加大幼虫密度对分布的影响表明,每头3龄幼虫适宜的占据面积为40cm^2左右,2龄为30cm^2左右.(3)沙粒质地以小于40筛目的细沙最适宜.
Experiments were conducted to study the distribution density of ant-lion larvae under different conditions. The results were as follows:1. The distribution density of ant-lion larvae was not influenced by the feeding interval of days: After a few days later, the distribution trended to be stable.2. The distribution frequency in each sample area showed that, the preferential space for one third-instar larva of ant-lion was about 40 cm2, and 30 cm2 for one second-instar larva.3. There was an evident influence of the diameter of sands on ant-lion life. The diameter of sands in 40 mesh was the most beneficial for its life.
出处
《昆虫天敌》
CSCD
1994年第3期141-147,共7页
Natural Enemies of Insects
基金
1989-1990年为中山大学资助项目
1991-1993年为国家教委专项资助项目
