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目的:了解大连市蟑螂种群密度分布、季节消长变化及侵害现状,为制定蟑螂防控策略提供科学依据。方法:粘捕法。结果:全年共布放有效粘蟑板2160张,阳性189张,粘蟑数1319只,密度0.61只/张,侵害率8.75%。德国小蠊1314只,日本大蠊5只。结论:蟑螂优势种是德国小蠊,活动高峰为夏秋季。农贸市场密度及侵害率最高,建议加强卫生监督管理及防控工作。
OBJECTIVE: To understand the population density distribution, seasonal variation and infiltration of cockroaches in Dalian and provide a scientific basis for the prevention and control of cockroaches. Method: stick catching method. Results: There were 2,160 effective sticky cockroach panels, 189 positive, 1319 sticky cockroaches, a density of 0.61 per plant and an infringement rate of 8.75%. 1314 German cockroaches and 5 Japanese cockroaches. Conclusion: The dominant species of cockroach is German cockroach, the peak of activity is summer and autumn. Farmers market density and the highest rate of violation, it is recommended to strengthen health supervision and management and prevention and control work.