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壁蜂属膜翅目、切叶蜂科、壁蜂属,群聚独栖昆虫。1年1代,以卵、幼虫、蛹、成虫在巢管内越夏越冬,出茧率约为80%。大白菜亲本繁殖中,可利用壁蜂成虫在巢管外活动约15～20d 的时间放蜂传粉。壁蜂的雌雄比约为1.0:1.4,以雌蜂进行传粉;壁蜂开始飞翔传粉的气温为12～15℃,以10:00～16:00飞翔传粉最活跃;传粉较好的飞翔距离为40m 内,一个雌壁蜂是一个蜜蜂(工蜂)传粉能力的80倍左右,应用在大白菜亲本的繁殖上
Wallworm Hymenoptera, Leafworm bee, Wallwort, clustering solitary insects. 1 year a generation to eggs, larvae, pupae, adults in the nest tube summer overwintering cocoon rate of about 80%. Chinese cabbage parental reproduction, wall bees adults can be used in the nest outside the tube about 15 ~ 20d time bee pollination. The ratio of male and female wall bees is about 1.0: 1.4, which is pollinated by female bees. The temperature at which the wall bees begin to fly pollinates is 12 ~ 15 ℃, the fly is the most active at 10: 00-16: 00; the good pollination distance Within 40m, a female wall bee is a bee (worker bee) pollination capacity of about 80 times, used in the propagation of Chinese cabbage parents