太谷桃仁蜂生物学特性的研究

Study on Biological Properties of Eurytomam maslovskii

对长兴县重要经济树种青梅的主要害虫太谷桃仁蜂(Eurytoma maslovskii)的生物学特性进行了初步研究。结果表明,该虫在长兴多数1a发生1代,少数需2a完成1代;以老熟幼虫在落地或残挂于枝头的虫害僵果核内越冬;越冬幼虫于2月下旬开始化蛹,3月底化蛹结束,并开始羽化,5月初羽化结束,成虫4月上旬开始产卵,5月上旬幼虫开始孵化并为害,6月上旬幼虫陆续老熟并开始越冬,整个幼虫期长约10个月。

Preliminary study was conducted on biological properties of Eurytomam maslovskii, damaging to Vatica mangachapoi in Changxing, Zhejiang province. The result demonstrated that most of them have one generation a year, few per two years, overwintering by mature larvae in the soil or in fruit stone. Overwintered larva starts pupating the next Febuary and emergence by the end of March. Adult lays eggs from April and larva damages to Vatica mangachapoi in May. Larva turns to mature and overwinters from June.