Chaco socos
Chaco socos is a species of mygalomorph spiders of Chile, named after its type locality: Socos, Limarí, Region IV. This species differs from C. tigre by its spermathecae having a longer duct and a less globose fundus, and by constructing a beveled door for its burrow; the general colouration is grayish, while C. tigre is more brownish coloured.
Description
The male has a total length of ; a cephalothorax length of and width of ; a cephalic region length of and width of ; an ocular quadrangle length of and width of ; a labium length of and width of ; and a sternum length of and width of. The labium possesses five cuspules. Its posterior sternal sigilla is small and shallow. Its cephalothorax is ashgray, with a lycosid-like pattern, while the legs and palpi are gray with darker spots; its abdomen yellowish with darker dorsal spots.The female has a total length of ; a cephalothorax length of and width of ; its labium length is 48% of the width; the sternum width is 72% of the length. The labium possesses three cuspules. The colour is the same as in the male.