摘要
油茶尺蛾是近年来广东省中山市阔叶混交林内出现的重要害虫。通过室内外饲养观察,结果表明,油茶尺蛾在广东省中山市1年发生1代,以蛹在地表土层中越冬,蛹期历时约9个月。成虫趋光性弱。在室内,成虫平均寿命约8 d,最高产卵量可达1 700粒;卵期平均22.1 d;幼虫共6龄,幼虫期平均58.2 d。
Biston marginata Shiraki was an important pest of broad-leaved and broad-leaved mixed forests in Zhongshan city of Guangdong province in recent years. Biological characteristics of Biston marginata was studied in the laboratory and the forest. The results showed that the pest had 1 generation a year and overwintered with the pupa in upper layer of soil in Zhongshan city of Guangdong province. The pupa stage lasted about 9 months. The adult life-span averaged about 8 days, and had not strong phototaxis. A female imago laid at most 1 700 eggs in the laboratory. The egg stage lasted an average of 22.1 days, the larval stage 58.2 days and included 6 - 7 instars.
出处
《广东林业科技》
2009年第2期55-59,共5页
Forestry Science and Technology of Guangdong Province
基金
中山市财政资助的中山市林业科研与推广自立项目
关键词
油茶尺蛾
生物学
木荷
Biston marginata , biology, Sch#na sttperba
