Oryba achemenides is a moth of the family Sphingidae.
Distribution It is found from Central America to the Amazon region, including Belize, Guatemala, Costa Rica, Suriname, Venezuela, Brazil and Bolivia.
Description The wingspan is 100–120 mm. It is a large, heavy-bodied and large-eyed species with a dark green upperside and orange underside. The marginal band of the forewing upperside is much narrower than the distance between this area and the distal margin of the dark olive-green median trapezoidal area. There are no distinct bands on the hindwing upperside.
Biology There are probably multiple generations per year.
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