Risk Zones of Carpenter Bees for Wooden Structure of Ancient Buildings in China

【Objective】This study was carried out to investigate the species diversity of carpenter bees and primary rating its damage in China with the aim to provide references for the preventive conservation project making on wooden structure ancient buildings based on the risk zones of carpenter bees( Xylocopa) . 【Method】Research was implemented to collect literatures and specimen information of carpenter bee,and summarize the distribution of various carpenter bees,then analyze the nesting characteristics of carpenter bees and the degree of damage to the wooden structure,meanwhile investigate the degree of damage to the wooden structures of ancient buildings in each province and record the carpenter bees regarding to the hazards of the wooden structure of ancient buildings. A comprehensive comparison was also made to divide the risk area of wooden bee hazards of ancient wooden structures nationwide. 【Result】No carpenter bee was found in Heilongjiang,only Proxylocopa existed in Inner Mongolia,Qinghai,Xinjiang,Ningxia