Thorn orb weaver (Micrathena excavata) ♀
Micrathena excavata sports an orange carapace, light orange dorsal abdomen with 3 pairs of lateral spines, a large pair of black posterolateral spines and a lighter pair of spines in between. Carapace lacks dimples or rim, with a high thorax. This specimen does not exhibit the different tones of the spines, and could be immature.
From 2015 Peru Macro