关键词: 德国小蠊, 生态习性, 控制效果

Abstract: Objective To find out the characteristic of the Blattella germanica activities at night,offer the basis for the scientific and integrated measures of prevention and control.Methods To choose 4 restaurants,and to carry on an effect contrast trial of different preventing and controlling measures,by eye observation in certain area.Results(1) The Blattella germanica activity behaviors at night has a character of activity peak and a drone spatial distributing.(2) After 30 days of integrated measures in restaurants A,B,C,the density of the Blattella germanica decreases by 100%.In restaurant D,where only cockroach insecticide delivery,the density decreases by(77.78%).The difference between two groups has the remarkable statistics significance(F=19.25,P<0.001)).Conclusion Find out the characteristic of the Blattella germanica activities before the measures,then adopt the synthesis measures of prevention and control such as hole-plug and orientation insecticide delivery,the effect is remarkable.