The intercepted molluscs from China's ports and its strategy for quarantine inspection and prevention

10 kinds of molluscs and 316 batches were intercepted form national ports in China in 2011，mainly including Achatina fulica Bowdich, Bradybaena similaris Ferussac, Helix aspersa Müller, Theba impugnata Mousson, Succinea chinensis Pfeiffer, Agriolimax agrestis L..And 4 kinds of harmful organisms were not identified to species yet, only to Gastropoda, Bradybaenidae. For Achatina fulica Bowdich, Helix aspersa Müller were quarantine, we need to strengthen the quarantine to prevent its spread.