摘要
枇杷舟蛾是批杷的一种重要害虫.该虫在莆田一年发生3代.以蛹越冬.第一代成虫在8月出现,世代历期平均62.6天;第二代成虫出现在10月中下旬至11月上旬,世代历期平均65.1天;越冬代成虫翌年4月下旬至6月上旬出现,世代历期平均209.8天.卵期1～3天;幼虫5龄,历期22～45天;越冬代蛹期141～170天;每雌可产卵105～287粒;成虫寿命3～15天.
Phalera flavescens (Bremer et Grey) is an important pest of Loquat. It shows that there exists 3 generations in a year in Putian County, Fujian Province, China. Pupae overwinter with a period of 141-170 days. The life span of the first to third generation is 62. 6, 65. 1 and 209. 8 days respectively. The adult of first to third generation emerges in the August, October and April, respectively. The period of egg is 1-3 days. The larval period has five instars and in-dures 22-45 days. The average of fecundity per female was 105-287.
出处
《武夷科学》
1999年第0期92-94,共3页
Wuyi Science Journal
关键词
枇杷
舟蛾
代数
Generations
Phalera flavescens
