Cosmophasis umbratica is a species of jumping spider that occurs from India to Sumatra. They are most frequently spotted on plants that are exposed to sunlight during later morning and early afternoon. Males have complex iridescent markings on the dorsal and lateral cephalothorax and on the lateral femora of all legs, and silvery white lines on the abdomen, while females have a green cephalothorax and a brown, white and black abdomen.