摘要
喜树幽斑螟是喜树的一种新害虫 .在福建三明、南平 1 a发生 5代 ,以茧在树皮缝中越冬 .成虫翌年 4月下旬羽化 ,幼虫 5龄 ,卵期 4~ 8d,幼虫期 1 4~ 2 6 d,蛹期越冬代 1 5 7~ 1 6 9d,其它各代 1 1~ 2 3d,成虫寿命 2~ 1 2
The Pyla sp. is a main pest of the Camptotheca acuminata Decne.This pest has five generations during a year in Sanming and Nanping city,Fujian and over winters as prepupa.Its adult begin to emergence in next April.The egg stage lasts 4~8 days.The larvae have 5 instars generally and lasts 14~26 days.Overwinter pupal stage lasts 157~169 days, and the others lasts 11~23 days.The adult stage lasts 2~12 days.
出处
《福建林学院学报》
CSCD
2000年第2期129-132,共4页
Journal of Fujian College of Forestry
基金
福建省三明市林业委员会基金资助项目!(喜树幽斑螟的研究 )