摘要
Lepidosaphes pineti Borchesnius is a serious pest of pine tree. The pest is sexual dimirphism, one or two generations per year in Nanping, Fujian and overwinters as the second instar larval or fertilized adult. Its alternation of generation is very serious. The best time to control it is the period of the newly emerged nymph (late May and mid July). The effective insecticides are 20% methidathion by 1:700, 40% fenvalerate by 1:3 000 and so on. The pest has many kinds of natural enemies such as Fusarium coccophilum , Aphytis lingnanensis, Encarsia citrina and so on which should be protected.
Lepidosaphes pineti Borchesnius is a serious pest of pine tree. The pest is sexual dimirphism, one or two generations per year in Nanping, Fujian and overwinters as the second instar larval or fertilized adult. Its alternation of generation is very serious. The best time to control it is the period of the newly emerged nymph (late May and mid July). The effective insecticides are 20% methidathion by 1:700, 40% fenvalerate by 1:3 000 and so on. The pest has many kinds of natural enemies such as Fusarium coccophilum , Aphytis lingnanensis, Encarsia citrina and so on which should be protected.
出处
《林业科学研究》
CSCD
北大核心
2002年第4期503-504,F003,共3页
Forest Research
基金
福建省林业厅林业科研和技术推广项目"松小蛎蚧及其寄生性天敌的研究"(1996 1999年 )
