[Objective]Bamboo shoot wireworm,Melanotus cribricollis is an important underground pest in bamboo forests in Southern China.To study the courtship and mating behavior of the adults for the development of sex pheromone attractants and their application is of great significance.[Method]In the present study,the characteristics and rhythms of courtship and mating behavior of M.cribricollis adults were observed at night.[Result]The courtship and mating behavior of M.cribricollis adults showed obvious phase characteristics.After entering the dark phase for 90 minutes,the courtship and mating behavior began,with the peak period to be found during 21:30 to 0:30.The age of adults excavated from the soil had no significant impact on the courtship rhythm of adults,but the mating ratio was closely related to the age of the adults.Mating behavior was observed on the first day of excavation from the soil,and reached the peak on the third day,then ended seven days later.[Conclusion]The peak period of courtship and mating for M.cribricollis adults is obvious,and thus it is suitable to use pheromone induced killing or mating interference in the management of bamboo shoot wireworms.
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