Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Protostomia (protostomes) Ecdysozoa Arthropoda (arthropods) Hexapoda Class Insecta (insects) Order Hymenoptera Superfamily Apoidea Family Sphecidae (digger wasps, mud daubers, sand wasps, sphecid wasps) Genus Sphex Species Sphex rex
