园花叶蛛生物学特性观察简报  

Observation on the biological characteristics of Synaema globosum Fabr

作　　者：谷昭威[1] 王昌贵 于红国 张海清 刘长宝 

机构地区：[1]山东省林业科学研究院,山东济南250014 [2]日照市林业局 [3]济南军区黄河三角州生产基地

出　　处：《山东林业科技》2008年第4期37-38,共2页Journal of Shandong Forestry Science and Technology

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）。Synaema globosum Fabr has one generation a year in the coastal region of Rizhao City, Shandon Province. Hiber nation takes place as larva 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 early 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 1 Dendrolimus spectabilis （instars 3-4）. It is an important natural enemy of many pests.

关 键 词：园花叶蛛 生活史 习性 

分 类 号：S763.3[农业科学—森林保护学]