Sibirocosa kolymensis 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...

 found in the Kolyma

Kolyma

The Kolyma region is located in the far north-eastern area of Russia in what is commonly known as Siberia but is actually part of the Russian Far East. It is bounded by the East Siberian Sea and the Arctic Ocean in the north and the Sea of Okhotsk to the south...

 region in the far east of 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...

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This species has a body length of up to 7 mm. It is rather variable in colour, from brown to almost black. There are few external distinguishing marks (apart from a reddish heart-shaped mark on the abdomen of the male) and it can only be distinguished with certainty from related species by details of the genitalia.