关键词: 德国小蠊, 凝胶毒饵, 药效

Abstract: Objective To observe the control efficacy of 1% Sulfluramid Roach Gel Bait(Kang Xing Gel Bait) against Blattella germanica.Methods The method used involved six insect feeding cubicles and one controlled cubicle for comparison.1% Sulfluramid Gel Bait was used as testing chemical and 2.15% Hydramethylnon Bait Gel(Maxforce Insect Control Roach Killer Bait Gel) was used as comparison chemical.Each chemical was used in each set of three feeding cubicles.Four triangular paper shelters were placed in each cubicle.Two drops of gel were placed in each shelter,each drop weighted 30 mg and total of six drops weighted 180 mg were used.One controlled shelter was left untreated.Twenty Blattella germanica were placed in each tank for control efficacy testing.Results The knock down rate for 1% Sulfluramid Gel Bait after the application in 12 h,24 h,48 h and 72 h was 71.7%,98.3%,98.3% and 100.0% respectively,the killing rate was 0,83.3%,98.3% and 100.0% respectively.The knock down rate for 2.15% Hydramethylnon Bait Gel in 12 h,24 h,48 h and 72 h was 0,0,26.7% and 91.7% respectively,the killing rate was 0.Conclusion The Kang Xing Gel Bait is a highly attractive,fast knock down and high killing rate roach gel bait;the application is simple,it requires little dosage and not smelly and should be recommended for use.