''Tigrosa aspersa'' is a large (up to one-inch (25 mm) body length)

wolf spider Wolf spiders are members of the family Lycosidae (), named for their robust and agile hunting skills and excellent eyesight. They live mostly in solitude, hunt alone, and usually do not spin webs. Some are opportunistic hunters, pouncing upon ...

that inhabits the eastern

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. Compared to its close relative ''

Tigrosa helluo ''Tigrosa helluo'', commonly known as the Wetland Giant Wolf Spider, is a species of spider belonging to the family Lycosidae, also known as wolf spiders. ''T. helluo'' was formerly known as ''Hogna helluo'' before differences between dorsal ...

'', ''T. aspersa'' is much larger. This species was known as ''Hogna aspersa'' prior to 2012, when it was moved to '' Tigrosa''. A different species (''

Lycosa implacida ''Lycosa'' is a genus of wolf spiders distributed throughout most of the world. Sometimes called the "true tarantula", though not closely related to the spiders most commonly called tarantulas today, ''Lycosa'' spp. can be distinguished from comm ...

'') was named ''Lycosa aspersa'' in 1849 by Nicolet by accident.

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Lycosidae Spiders of the United States Spiders described in 1844 Taxa named by Nicholas Marcellus Hentz {{Lycosidae-stub