贵州稻水象甲越冬场所的初步调查与分析

Preliminary Investigation and Analysis on Hibernant Habitat of Lissorhoptrus oryzophilus in Guizhou

为探明稻水象甲在贵州山区的越冬分布情况,选取稻桩、稻草、稻谷、田埂、沟(河)边、路边、山坡或林带等环境进行了稻水象甲越冬调查。结果表明,沟(河)边表层土壤是稻水象甲主要的越冬生境,其次为田埂表层土壤,路边、山坡和林带有少量个体分布,稻桩、稻草和稻谷中未发现越冬稻水象甲成虫。

The rice stub,paddy,field-edge,topsoil of channel（river）,road or railroad,hillside and forest belt were investigated to explore the hibernant habitat of Lissorhoptrus oryzophilus in mountainous region of Guizhou province.The results showed that the topsoil of channel（river） was the main hibernaculum for Lissorhoptrus oryzophilus in Guizhou province,and followed by the topsoil of field-edge,road and railroad,hillside and forest belt.There was no Lissorhoptrus oryzophilus found in the rice stub,rice straw and paddy.