Range
(Probably derived from Levi)
Genus Larinia Simon, 1874 [3 species]
Larinia borealis Banks, 1894
AB, AZ, CA, CO, CT, IL, KS, MA, MB, MI, NH, NM, NY, OH, ON, SK, UT, VA, WA, WI
(Looks like anything in Canada, the far northern tier of states, The Great Lakes, and the Northeast is borealis)
Larinia directa (Hentz, 1847)
AL, AR, AZ, CA, FL, GA, LA, MS, NC, NJ, OH, SC, TN, TX, VA
(Looks like anything tropical or very far south plus anything in the southeast, Arkansas to NC and south is directa)
Larinia famulatoria (Keyserling, 1883)
AZ, CA, CO, ID, KS, UT, WY
(These are the states where we'll have trouble, overlapping borealis to the north and directa to the south)
See Also
Slender Crab Spiders (Tibellus)
Tibellus vs. Larinia
Slender Crab Spiders tend to rest with their legs straight forward while Larini sp. rest with their front legs folded back. They also have different eye arrangements, but that is not easy to see.
Internet References
Levi's revision of the genus, Bull. Mus. Comp. Zool. Harv. v.147 (1975) - please see pages 100-112 - link through the Biodiversity Heritage Library.
