豫西地区酢浆草草坪昆虫种类调查及群落分析

Pest species investigation and community analysis on Oxalis corniculate Lawn in YuXi Area

对河南省豫西地区主要城市酢浆草Oxalis corniculate草坪昆虫群落进行了调查,共鉴定出昆虫12目36科75种,其中有害昆虫56种,有益天敌18种,其他昆虫1种。在有害昆虫中,不同季节优势种不一样,春季的优势种为蚜虫,夏季的优势种为酢浆草茹叶螨Tetranychina harti和朱砂叶螨T.cinnabarinus,秋季的优势种是酢浆草茹叶螨T.harti和蛴螬Holotrichia diomphalia。它们都是综合治理的主要对象。

The pest species and community investigation on Oxalis corniculate lawn in YuXi Area, Henan Province was carried out. The results showed that these pests belonged to 75 species in 36 families, which were fallen into 12 orders; among which 56 species were pests, 18 species were natural enemies and 1 species was other insect. Dominant pest species were different in different seasons, Aphididae was the dominant in spring, Tetranychina harti and Tetranychus cinnabarinus were dominant in summer, T. harti and grubs dominated in autumn. These species were the main objects of IPM.