Risk analysis of the introduction and spreading of Rhabdoscelus obscurus along with the imported logs

According to pest risk analysis,which is based on International Standard of Plant Quarantine Measure,using relative risk analysis model,applying this system to qualitative and quantitative analyze the diffusing risk of Rhabdoscelus obscurus(Boisduval)from five aspects:domestic distributing status,potential risk,economy importance of injured planting host,possibility of diffusing and difficulty of risk management.Its integrated risk value R is 2.57.It is belong to highly dangerous pests.Hereby,we set up three relative countermeasures of risk management.So that the risk could be reduced to acceptable level.