''Edia semiluna'' is a species of

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

in the family

Crambidae Crambidae comprises the grass moth family of lepidopterans. They are variable in appearance, with the nominal subfamily Crambinae (grass moths) taking up closely folded postures on grass stems where they are inconspicuous, while other subfamilies ...

. It was first described by

John Bernhardt Smith John Bernhardt Smith (November 21, 1858 – March 12, 1912) was an American professor of entomology who specialized in systematics and economic entomology while also serving as the State Entomologist of New Jersey. Smith is remembered in insect t ...

in 1905. The species is found in southern

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

and

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

. The length of the forewings is 8–10 mm. The ground colour of the forewings is white with a faint olivaceous tinge. The basal area is olivaceous brown from the costa to the inner margin. The hindwings are white, with a smoky margin. Adults have been recorded on wing in May, August and October.mothphotographersgroup
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References

Moths described in 1905 Odontiini {{Odontiinae-stub