Eupalamides guyanensis is a moth in the Castniidae family. It is widely distributed in northern South America, from Venezuela to Guyana, Colombia and Brazil (Pará).
The wingspan is 150–180 mm.Castniinae (Lepidoptera: Castniidae) from Venezuela. III: Genera represented by only one known species. Diagnosis and comments
The larvae feed on Cocos nucifera and are considered a pest. They have also been recorded on Attalea species.
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