黔北地区梨瘿蚊重发生原因及综合防治措施

Repeat occurrence reason and comprehensive control of gall insect on pear trees in Qianbei area

梨瘿蚊是黔北地区为害梨树芽叶的主要害虫,在该地区每年发生4代,以老熟幼虫越冬。介绍梨瘿蚊的形态特征和发生规律,重点分析梨瘿蚊在黔北地区的发生特点及重发生原因,并提出综合防治对策。

Gall insects is the main pests of damaging shoot leaves of pear trees in Qianbei area and breeds 4 generations per year with over wintering mature larvae. The paper described the morphological characteristics and occurrence rules, focused on the occurrence characteristics and the reason of occurrence repeatedly, and proposed control treatments.