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目的了解和掌握张家港市城区蟑螂侵害状况,为进一步开展蟑螂防制提供科学依据。方法采用粘捕法对蟑螂侵害状况进行调查。结果调查城区各类行业单位256个,阳性单位135个,侵害率达52.73%。布放蟑螂粘捕纸1254张,有效粘蟑纸1 093张,阳性粘蟑纸412张,捕获蟑螂成虫、若虫620只,平均密度为0.57只/张,蟑螂侵害强度为1.50只/张。结论张家港市城区相关行业单位蟑螂侵害情况比较严峻,防制任务较重。
Objective To understand and grasp the cockroach infringement in urban areas of Zhangjiagang City and provide a scientific basis for further prevention and control of cockroaches. Methods Adopt sticky catching method to investigate the condition of cockroach infringement. Results A total of 256 industrial units of various types in the urban area were surveyed, 135 were positive units with an infringement rate of 52.73%. There were 1254 cockroach sticky catches, 1 093 effective sticky cockroaches and 412 mashed cockroaches, which captured 620 cockroaches and nymphs, with an average density of 0.57 / piece. The cockroach infestation intensity was 1.50 pieces / piece. Conclusion The cockroach infringement situation of related industries in Zhangjiagang City is severe, and the control task is heavy.