Virginia striatula
Virginia striatula, commonly called the rough earth snake, is a species of nonvenomous natricine colubrid snake native to the Southeastern United States.
Taxonomy
The species was first described by Carl Linnaeus in 1766, as Coluber striatulus. Over the next two and a half centuries its scientific name has been changed several times. Most recently, the generic name was changed back again from Haldea to Virginia in 2023.Common names
Other common names for Virginia striatula include: brown ground snake, brown snake, ground snake, little brown snake, little striped snake, small brown viper, small-eyed brown snake, southern ground snake, striated viper, and worm snake.Geographic range
The rough earth snake is found from southern Virginia to northern Florida, west along the Gulf Coast to southern Texas, and north into south-central Missouri and southeastern Kansas. It is also present in northern parts of Oklahoma.Description
Virginia striatula is a small, harmless, secretive, fairly slender snake, 7–10 inches in total length. It has a round pupil, weakly keeled dorsal scales, and usually a divided anal plate. Dorsally, it is brown, gray, or reddish, and essentially has no pattern. Females are a little longer and heavier than males, with relatively shorter tails. Young individuals often have a light band on the neck, which is normally lost as they mature. The belly is tan to whitish and is not sharply defined in color from the back, unlike in the wormsnake or the red-bellied snake. Keeled scales differentiate the rough earth snake from the similar smooth earth snake, as well as from the wormsnake. V. striatula is most likely to be confused with De Kay's brown snake, which is a little larger and is light brown with dark markings on the back and neck. Unlike the rough earth snake, De Kay's brown snake retains these markings into adulthood. Also, S. dekayi has a rounder snout than V. striatula.Habitat
The rough earth snake is fossorial, hiding beneath logs, rocks, or ornamental stones, in leaf litter, or in compost piles and gardens. The species is found in a variety of forested habitats with plenty of ground cover, as well as in many urban areas. It can reach very high densities in urban gardens, parks, and vacant lots.Reproduction
Virginia striatula is gonochoric. It is also viviparous, giving birth to 3 to 8 live young in mid-summer. Newborns are about 10 cm in total length. The young somewhat resemble the ring-necked snake with a light-colored neck collar, but they are much drabber and lack a brightly-colored belly.Many sources refer to snakes that give birth to live young as either ovoviviparous or viviparous. In reality, the distinction between these two terms is not very sharp, and the diversity of reproductive modes is better thought of as a spectrum or continuum between matrotrophy and lecithotrophy. Viviparity is the most extreme form of matrotrophy, whereas oviparity is the most extreme form of lecithotrophy.