【摘要】 园花叶蛛在山东日照市沿海地区1年发生1代。以不同龄的若蛛在杂草丛和松树枝叶间越冬。翌年3月下旬开始出蜇,6月下旬发育至成蛛,7月上旬交配,7月下旬开始产卵,9月上旬产卵结束。10月下旬开始越冬。卵期平均8.38d,若蛛期平均373d,成蛛期平均43.2d。雌雄性比为3:1。成蛛日食赤松毛虫幼虫(3~4龄)1.2头(重3.165g),是多种害虫的重要天敌更多还原

【Abstract】 Synaema globosum Fabr has one generation a year in the coastal region of Rizhao City,Shandon Province.Hibernation takes place as larv a in the clumps of weeds or among tree leaves in late October.Emergence occurs in late March the next year and imagines occur in late june.Mating occurs in ea rly July.Ovipostion occus in late july and ends in early September.The average incubation period is 8.38 days.The average life cycle of the larva is 373 days,and the average life span of the adult spider is 43.2 days.Male and female ar e in a ratio of three to one.An adult spider can eat 1.2 head(3.165g) of larva l Dendrolimus spectabilis(instars 3~4).It is an important natural enemy of many pests.更多还原