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For Insects, Spiders & Their Kin
For the United States & Canada
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Family Corinnidae - Antmimics and Ground Sac Spiders

Spider for ID - Castianeira Spider - Falconina gracilis - male Gnaphosidae? - Castianeira Gnaphosidae? - Castianeira Black and red spider - Castianeira Spider in La Habra California - Falconina gracilis Spider Antmimic Sac Spider making egg case - Castianeira - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Chelicerata (Chelicerates)
Class Arachnida (Arachnids)
Order Araneae (Spiders)
Infraorder Araneomorphae (True Spiders)
No Taxon (Entelegynae)
Family Corinnidae (Antmimics and Ground Sac Spiders)
Synonyms and other taxonomic changes
Ramirez, 2014(1) transferred Meriola and Trachelas to Trachelidae and Drassinella, Phrurolithus, Phruronellus, Phrurotimpus, Piabuna, and Scotinella were transferred to Phrurolithidae.
7 Genera found in the US/Canada.
Castianeira - 26 species
Creugas - 2 species (C. bajulus has been found in southern CA)
Falconina - 1 species
Mazax - 2 species (Castianeira/Micaria look-alike)
Myrmecotypus - 1 species (Micaria look-alike)
Septentrinna - 2 species
Xeropigo - 1 species
Mazax kaspari - The male's abdomen is constricted and looks kind of like C. thalia. The dorsum has a pattern of four brownish-black horizontal bands and brownish-black posterior as in the maleC. thalia, except the base coloring is off-white.
Exact distribution within these countries will be added when time permits.

- kaspari - Known only from the type locality; Presidio Co., TX(2)
- pax - Southernmost Texas south to Panama(3)

- bicalcarata, USA & Mexico
- steckleri, USA & Mexico

- tridentiger - USA
Internet References
~ - Mazax kaspari full description with drawings.
Works Cited
1.The morphology and phylogeny of dionychan spiders
Ramírez, Martín J. 2014. Bulletin of the American Museum of Natural History.
2.A new species of Mazax from Texas (Araneae: Clubionidae)
Cokendolpher, J. C. 1978. Journal of Arachnology 6: 230-232.
3.The Spider Subfamily Castianeirinae of North and Central America
J. Reiskind. 1969. Bull. Mus. of Comp. Zool. Vol 138: 163-325.