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Wolf Spider - Tigrosa annexa, Lake June-in-Winter Scrub State Park, Lake Placid, Florida.jpg
Tigrosa annexa from Lake Placid, Florida
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Araneomorphae
Family: Lycosidae
Genus: Tigrosa
Brady, 2012 [1]

Tigrosa is a genus of spiders in the family Lycosidae, found in North America. [1]



The genus Tigrosa was erected by Allen R. Brady in 2012. Prior to 1990, many medium to large wolf spiders (family Lycosidae) from North America were placed in the genus Lycosa . In 1990 it was accepted that Lycosa was a Mediterranean genus and did not occur in North America; seven species were transferred to Hogna . A more detailed examination of the type species of Hogna, Hogna radiata , convinced Brady that a new genus was needed for some of the North American species that had been moved to Hogna. Characters that distinguish Tigrosa from Hogna include the pattern on the upper (dorsal) surface of the cephalothorax, the arrangement of the eyes, and the shape of the female epigyne. [2]

The generic name Tigrosa is intended to mean "fierce like a tiger", referring to the patterning and behaviour of Tigrosa species. [2]


As of May 2016, the World Spider Catalog accepted the following species: [1]

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<i>Tigrosa aspersa</i> Species of spider

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<i>Tigrosa helluo</i> Species of spider

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<i>Tigrosa georgicola</i> Species of spider

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  1. 1 2 3 "Gen. Tigrosa Brady, 2012", World Spider Catalog, Natural History Museum Bern, retrieved 2016-05-04
  2. 1 2 Brady, A.R. (2012), "Nearctic species of the new genus Tigrosa (Araneae: Lycosidae)", Journal of Arachnology, 40 (2): 182–208, doi:10.1636/K11-77.1, S2CID   59332754