Hemorrhois ravergieri, commonly called the spotted whip snake, is a species of aglyphous (non-venomous) ophidian snake in the family Colubridae. It is endemic to Western, Central and South-Central Asia, from Turkey in the west to Kazakhstan and western Mongolia in the east.

Etymology

The specific name, ravergieri, is in honor of a certain Mr. Ravergier who was an attaché at the French embassy in Saint Petersburg, Russia.

Geographic range

H. ravergieri is found in the following localities. The former Soviet republics of the Caucasus and Central Asia, the latter from the eastern shore of the Caspian Sea east to E Kazakhstan:

Description

Dorsally, H. ravergieri is tan or grayish, with a series of dark rhomboidal spots or crossbars, alternating with smaller spots on the sides. The spots usually become confluent posteriorly, and appear as dark stripes on the tail. There is a diagonal dark streak below the eye, and a similar subparallel streak from the back of the eye to the corner of the mouth. Ventrally, it is whitish or covered with blackish dots. The weakly keeled dorsal scales are arranged in 21 rows. The ventrals, which are obtusely angulate laterally, number 190-222; the anal is divided; and the subcaudals, which are paired, are 75–101. Adults may attain 133 cm in total length, with a tail 32 cm long.