Phostria oajacalis is a species of moth in the family Crambidae. It was described by Francis Walker in 1866. It is found in Nicaragua,New North American records of Pyraloidea (Lepidoptera: Crambidae, Pyralidae) from southern Florida Guatemala,botanicus.org Costa Rica.,BOLD Systems Mexico, and southern United States.
Its males are often characterized by its white legs, cupreous-brown legs, white tarsi and posterior tibiae, long brown wings with aeneous and purple reflections, a large white semihyaline black-bordered patch in the disk, and whitish fringe.
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