凹唇壁蜂繁殖特性研究

The Reproductive Characteristics of Osmia excavata Alfken

凹唇壁蜂雌蜂卵巢由 6根卵巢管组成 ,卵母细胞总数平均为 55.9± 4 .4 6个 ,卵原区在成虫卵期不再产生卵母细胞。雌蜂实际产卵量受花期长短影响很大 ,雌蜂最大产卵量平均为 2 9.8粒。果园释放后 ,雌蜂营巢率为 1 4.75%～ 65.57%,平均为 3 7.1 5%± 1 6%;种群逐年增长倍数 ,苹果园为 2 .4 8,梨园为 2 .2 4 ;最大增长倍数 ,苹果园为 4 .3 8,梨园为 3 .96。

The ovary of the female consists of six ovarioles.In free diapausing adults,the total number of oocytes in an ovary is very stable,the average oocyte number in an ovary is 55.9±4.46.The best record of the maximum number of eggs obtained through our experiments was 29.8. The rate of nesting females was 14.75%～65.57%,the average rate is 37.15%±16% in total released females.The average rate of population increasing was 2.48 in the apple orchard,was 2.24 in the pear orchard.The maximal rate of population increasing was 4.38 in the apple orchard,was 3.96 in the pear orchard.