摘要
红腹柄天牛是阔叶树的重要害虫之一。该虫在福建戴云山2 a发生1代,当年以幼虫、次年以成虫在被害木虫道内越冬。雌成虫产卵盛期在5月下旬至6月上旬,6月中旬是产卵末期。卵期7-17 d。幼虫共8龄,历期约为481 d。成虫出孔后即可交配,每雌虫最大产卵量69粒,最少为20粒,在1株树上产卵量4-46粒不等。雌雄性比约为1∶1。
Aphrodisium faldermannii rufiventris Gressitt is an important pest of broadleaf trees. It occurs 1 generation every 2 years and over winters at larval stages in the first year and adult stage in the second year in the infected channels of tree trunks or branches. The females begin to lay eggs in the first or middle ten days of May and reach the peak at the end of May or the beginning of June. The egg period is 7 - 17 d. The larva experience 8 instars and last 481d. The adults mate immediately after eclosion. A female insect can lay 69 eggs at the most and 20 at the least. Four to 46 eggs can be found in one stub tree. The sex ration is near 1 ： 1.
出处
《华东昆虫学报》
2005年第2期128-131,共4页
Entomological Journal of East China
基金
福建省林业厅2004年科研课题资助项目(闽林[2004]科函8号第14项)。
关键词
红腹柄天牛
生物学特性
罗浮栲
甜槠
Aphrodisium faldermannii rufiventris
biological characteristics
Castanopsis fabri
Castanopsis eryei
