Bembecinus tridens is a species of sand wasps belonging to the family Bembicidae.

[1] Bembecinus tridens can reach a length of 7–11 millimetres (0.28–0.43 in).

These wasps fly in one generation from early June to late August.

After an egg is laid in the cell the prey item (various families of Homoptera) is introduced.

[4] This species can be found from Western Europe and North Africa to Japan and China.