Cerocida is a spider genus known only from tropical South America

South America

South America is a continent situated in the Western Hemisphere, mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere. The continent is also considered a subcontinent of the Americas. It is bordered on the west by the Pacific Ocean and on the north and east...

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Both sexes of C. strigosa have a cephalothorax

Cephalothorax

The cephalothorax is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind. The word cephalothorax is derived from the Greek words for head and thorax...

 with posterior stalk and raised reticulate pattern, and long legs. The female has a body length of 1.5mm, while males are even 1.7mm; normally spider males are at least slightly smaller than females. Specimens were collecting by sifting litter. The species is probably an ant mimic

Ant mimicry

Ant mimicry is mimicry of ants by other organisms. Ants are abundant all over the world, and insect predators that rely on vision to identify their prey such as birds and wasps normally avoid them, either because they are unpalatable, or aggressive. Thus some other arthropods mimic ants to escape...

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