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菜粉蝶绒茧蜂[Apanteles glomeratus(L.)]是菜粉蝶[Pieris rapae)L.]幼虫的重要寄生蜂。在上海室内饲育,全年可发生11代,并有部分虫体发育至12代幼虫,以老熟幼虫在茧内越冬。全年根据1~10代结果计算,完成一世代所需时间与日平均温度的回归式为,Y=47.45-1.21X ±1.54天,r=-0.9739。一世代的发育起点温度为10.09℃,有效积温为249.67日度。22.26℃下,从产卵至成虫出茧,总共历期为19.8天。年平均雌蜂率为66.93%。田间各月自然寄生率的幅度为5.74~60.71%。孤雌生殖的后代均为雄性。25℃下,用25%蔗糖水饲育,雌、雄蜂寿命分别为26.34和18.67天。田间放蜂试验结果,寄生率明显提高,效果达21.74~70.40%。
Apanteles glomeratus (L.)] is an important parasitic wasp of larvae of the genus Pieris rapae. Breeding in Shanghai indoor, 11 generations can occur throughout the year, and some of the parasites developed to 12 generations of larvae, with mature larvae wintering in the cocoon. According to the results of 1 to 10 generations throughout the year, the regression equation of time and daily average temperature for completing one generation is Y = 47.45-1.21X ± 1.54 days, r = -0.9739. A generation of developmental starting temperature of 10.09 ℃, the effective accumulated temperature of 249.67 days. At 22.26 ° C, the total duration from oviposition to adult emergence was 19.8 days. The average annual rate of female was 66.93%. The natural monthly parasitism rate in the field ranged from 5.74 to 60.71%. The offspring of parthenogenesis are male. 25 ℃, with 25% sucrose water feeding, female and male bee life were 26.34 and 18.67 days. In the field, the parasitism rate increased significantly with the result of 21.74 ~ 70.40%.