The effects of the invasion of the imported fire ant,solenopsis invicta on the communities of the native ants were investigated by bait methods in BeiLiu,GuangXi from Sept.

• 对入侵区与未入侵区比较发现不同生境下,红火蚁入侵使本地蚂蚁的个体数量明显降低,丰富度、多样性和均匀性指数均下降,优势度指数升高,红火蚁成为优势种。