Various diagnostic characters. A foreleg of Sphex vestitus, ♀ B foreleg of Sphex luctuosus, ♂ C–E different profiles of the metanotum C metanotum without tubercles D metanotum with indistinct tubercles E metanotum with distinct tubercles.

  Part of: Dörfel TH, Ohl M (2015) A revision of the Australian digger wasps in the genus Sphex (Hymenoptera, Sphecidae). ZooKeys 521: 1-104.