Lytorhynchus diadema adults range from 30-51 cm in length.

Pale buff or cream color above, with a series of 13 – 18 large transversely rhomboidal dark spots; a dark median band along the head and nape, sometimes confluent with an interocular transverse band; an oblique dark band from the eye to the angle of the mouth; lower parts uniform white.

[3] Algeria, Egypt, Iran, Iraq, Israel,[4] Jordan, Kuwait, Libya, Morocco, Niger, Oman, Saudi Arabia, Tunisia, United Arab Emirates, Yemen, Mauritania, West Sahara.

This species digs, but is not considered fossorial In Arabia it appears to occur in a wide range of dry habitats.

[5] It feeds mainly on lizards but will eat large arthropods, insects and young rodents.