凉山州南美斑潜蝇、美洲斑潜蝇发生特点及防治技术研究

Study of Occurrence Characferistics and Control Techniques of Liriomyza huidobrensis Blanchard and L.sativae Blanchard in Liangshan Prefecture

综述了 1997～ 2 0 0 0年凉山州南美斑潜蝇和美洲斑潜蝇的发生特点及防治技术。主要发生区域为州内终年较温暖的平坝河谷地区 ,南美斑潜蝇一年发生 13～ 18代 ,美洲斑潜蝇一年发生 10～ 15代 ,无越冬现象。其发生主要受寄主植物、气候、天敌的影响 ,防治技术应采取农业防治。

The occurrence characteristics of Liriomyza huidobrensis the Blanchard and L.sativae Blanchard from 1997 to 2000 and the control techniques have been summerized in this paper.The occurrence areas are the flat land of river valley, the weather which is warm all the year round. Liriomyza huidobrensis Blanchard has 13～18 generations a year. L.sativae Blanchard has 10～15 generations a year. The occurrence of these insects is influenced by the parasitic plants,weather and natural enimies. The control techniques should be agricultural , physical and chemical mixed together.