Abstract
The sphecid fauna of French Polynesia, limited until now to Sceliphron caementarium (Drury), is increased by three species recently introduced in the Society Islands: Sceliphron laetum (Smith), S. curvatum (Smith) and Chalybion bengalense (Dahlbom). The presence of S. curvatum in French Polynesia considerably broadens the known distribution of this species which is native to Asia and introduced into Europe and both North and South America. Chalybion bengalense is also reported from New Caledonia for the first time, as well as Sceliphron laetum from Wallis and Futuna. The distribution, biology and potential impact of each species on the arachnofauna are discussed. An identification key to the Sphecidae of French Polynesia is provided.
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