【摘要】 棕管巢蛛 Clubiona japonicola在山东日照沿海地区 1年发生 1代 ,以幼蛛在树皮下、针叶基部、杂草丛中越冬。翌年 4月上旬出蛰 ,4月下旬发育为成蛛。 5月上旬开始交配产卵 ,卵期 7.6d,幼蛛期 3 2 1 .4d,成蛛期 71 .2 d。雌雄性比为 3∶ 2。成蛛日均食松大蚜 Cinara pinea5 .8头。是多种害虫的重要天敌更多还原

【Abstract】 Clubiona japonicola Boes et Str.has one generation a year in the coastal region of Rizhao , Shandong, China. Hibernation takes place as larva at the base of needles, in the tree barks,the clumbs of weeds and the cracks of soil and stone. Emergence occurs in early April the next year and imagines occur in late April. Mating and oviposition occur in early May. The incubation period is 7 6 days. The life cycle of the larva is 321 4 days, the life span of the adult spider is 71 2 days. Male and female are in a ratio of three to two. An adult spider can eat 5 8 Cinara pinea and it is the important natural enemy of many pests.更多还原