Mongolicosa buryatica is a species of wolf spider

Wolf spider

Wolf spiders are members of the family Lycosidae, from the Ancient Greek word "" meaning "wolf". They are robust and agile hunters with good eyesight. They live mostly solitary lives and hunt alone. Some are opportunistic hunters pouncing upon prey as they find it or even chasing it over short...

 only known from the eastern Sayan Mountains

Sayan Mountains

The Sayan Mountains are a mountain range between northwestern Mongolia and southern Siberia, Russia.The Eastern Sayan extends from the Yenisei River at 92° E to the southwest end of Lake Baikal at 106° E...

 in Buryatia

Buryatia

The Republic of Buryatia is a federal subject of Russia . Its capital is the city of Ulan-Ude. Its area is with a population of 972,658 .-Geography:...

, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

.

This spider, up to 9 mm in length, is dark brown (but paler on the ventral side of the legs) and densely covered with long hairs (these are especially dense on the abdomen

Abdomen

In vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity...

). The male is darker and hairier than the female with dark red markings. The female is uniformly dark brown apart from paler coxae and patellae.