摘要
柽柳条叶甲是西北荒漠草原食叶性害虫。经研究观测,此虫在额济纳旗一年发生2～3代,以成虫和蛹在柽柳枯枝落叶层下或土中越冬。翌年4月下旬,越冬成虫陆续开始出蛰活动。取食柽柳叶片和嫩茎皮,为害率达90％。此虫食性单一、食量大、喜干旱。天敌有野鸡、寄生蝇、寄生蜂等。大发生时以80％敌敌畏乳剂,25％敌马油剂、40％乐果乳油、0.3％敌害灵,进行地面或飞机超低量喷雾防治均有良好效果。
Diorhabda elongata desertieoca chrn is a insect in the Northwestern deaert rangeland. based on observation in the past few years, this insect produces 2-3 generationsa year. the adults and larvae can sur-vive the winter under protection of litters or dirt, Inthe later april of next year, adults come back to life. they live on leaves and stems of Tamarix, and cause damage of up to 90％.The insects like drought they have rather specialized grazing habit and caneat up a lot of green tissues at a time. Their natural enemies are parasites and pheasants.This paper describes some controlmethods over the insects.
出处
《草业科学》
CAS
CSCD
北大核心
1989年第5期45-47,共3页
Pratacultural Science
