松茸毒蛾生物学特性的研究  

STUDIES ON THE BIONOMICS OF PINE TUSSOCK MOTH DASYCHIRA AXUTHA COLLENETTE

作　　者：张潮巨[1] 陈顺立[1] 李友恭[1] 陈宏胜[1] 李乙峰[1] 钟桃远[1] 

机构地区：[1]光泽华侨林场,福建林学院

出　　处：《华东昆虫学报》1995年第1期25-30,共6页Entomological Journal of East China

摘　　要：松茸毒蛾ＤａｓｙｃｈｉｒａａｘｕｔｈａＣｏｌｌｅｎｅｔｔｅ是马尾松的一种重要害虫，该虫在福建一年发生３代，以蛹越冬，翌年４月上旬羽化。幼虫一般６龄，少数７或８龄。卵期４－１３天，幼虫期３０－５３天，越冬代蛹期１４３－１７０天。每雌可产卵３４－５２９粒，成虫寿命３－１６天。该虫多发生在避风、郁闭度大的中、幼龄纯林中。The pine tussock moth Dasychira axutha Collenette is a serious pest of Pinusmassoniana in Fujian Province.It has three generations each year and overwinters with pupain Nanping, Fujian Province. The adult moth begins to appear in early April next year.Thelarvae generally have six instars, but a few of them seven or eight instars.The egg stagelasts 4一13 days. The larval stage lasts 30一53 days. The overwintering pupal stage lasts143一170 days.Each female can lay 34 to 529 eggs.The adult moth lasts 3一16 days. Thepest generally occurs in the pure stand of shelter from the wind and high canopy density.

关 键 词：松茸毒蛾 生物学特性 马尾松 害虫 

分 类 号：S763.42[农业科学—森林保护学]