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[摘要]
对小翅豆芜菁繁殖习性进行了系统的观察研究。实验结果表明,小翅豆芜菁雌雄虫均可多次交配,性别不同交配次数各异,每雌可产卵1∼3次,产卵量的多少与寄主植物有关。在变温条件下,卵期平均为65 d,以含水量 11%∼14%的河砂孵化率最高。
[Key word]
[Abstract]
Breeding habit of Epicauta aptara Kaszab was closely observed. Both male and female insects can mate with their opposite sex several times. The female insect lay their eggs 1-3 times at an average interval of 65 days depending on the weather condition, and the number of eggs laid depend on the condition of their host plants. Sandy river bank containing 11%~14 % water gave the maximum hatching rate.
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