Steniodes declivalis is a moth in the family Crambidae. It was described by Harrison Gray Dyar Jr. in 1914. It is found in Panama, Costa RicaBOLD Systems and Venezuela.Steniodes at Markku Savela's Lepidoptera and Some Other Life Forms
The wingspan is about 13 mm. Adults are similar to Steniodes gelliasalis, but are smaller, darker and the whitish outer line of the hindwings is distinct, sharply angled and touches the outer margin.Proceedings of the United States National Museum 47 (2050): 286
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