Bembecinus tridens

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

Subspecies

 * Bembecinus tridens caesius (Compte Sart, 1959)
 * Bembecinus tridens tridens (Fabricius, 1781)

Description
Bembecinus tridens can reach a length of 7 - 11 mm. The body is black and yellow.

Biology
These wasps fly in one generation from early June to late August. The females dig a unicellular nest, though a single female digs 1-8 nests in succession. After an egg is laid in the cell the prey item (various families of Homoptera) is introduced. The species is parasitized by Hedychrum chalybaeum.

Distribution and habitat
This species can be found from Western Europe and North Africa to Japan and China. They are common inhabitants of sandy areas.