Latrodectus corallinusLatrodectus corallinus is a species of widow spider native to Argentina. It is approximately in size, and is primarily black with large, red markings on its abdomen, as well as a red, square-like ring under its abdomen.Distribution and habitatLatrodectus corallinus is native to Argentina. It is found both outdoors and indoors, and is commonly found in agricultural fields.HabitsLatrodectus corallinus, like most species of Latrodectus, is not aggressive. The peak time of activity for Latrodectus corallinus is between the months of December and March.