2017—2019年长沙市区白蚁危害情况调查

Investigation on the occurrence of the termite damage in Changsha City from 2017 to 2019

目的明确长沙市白蚁发生情况,为白蚁预测预报和防控提供依据。方法调查长沙市区2017—2019年白蚁发生情况,分析乳白蚁属、散白蚁属和土白蚁属的危害发生特点。结果白蚁在长沙市5个行政区全年均有发生,每年的3—4月是白蚁的发生高峰期,其中开福区和天心区峰值出现在4月,分别有55.3和59.7幢房屋受到危害,岳麓区和雨花区峰值出现在3月,分别为72.3和49.0幢房屋受到危害。危害长沙市区的白蚁种类主要为散白蚁属,其次是土白蚁属。结论长沙市区白蚁危害广泛发生,应针对不同区域及不同属白蚁的发生特点,实施相应的白蚁防治技术。

Objective To clarify the damage of termites in Changsha,and provide a basis for the prediction and control of termites.Methods Investigating the occurrence of termites in Changsha from 2017 to 2019 and analyzing the occurrence characteristics of Coptotermes,Reticulitermes and Odontotermes.Results Termite occurred in the five administrative regions of Changsha year round,active in March and April.The termite damage peaked in April in Kaifu and Tianxin District with 55.3 and 59.7 buildings damaged respectively,while the damage peak occurred in March in Yuelu District and Yuhua District with 72.3 and 49.0 buildings damaged respectively.The main termite species in Changsha was Reticulitermes,followed by Odontotermes.Conclusion Termite widely occurred in Changsha,and the control should be implemented according to the occurrence regularity of different regions and different genera of termites.