The Bembicidae comprise a large family of apoid wasps that includes over 80 genera and over 1800 species, which have a worldwide distribution. They excavate nests in soil, frequently in sandy soil, an
Saygorytes phaleratus
Bembix sp. in its habitat, Dar es Salaam, Tanzania
The Nyssonini are a group of cleptoparasitic bembicine wasps generally distinguished by the petiolate second submarginal cell of the forewing and rather strongly sculptured head and mesosoma. Most spe