''Helcystogramma rusticella'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

in the family

Gelechiidae The Gelechiidae are a family of moths commonly referred to as twirler moths or gelechiid moths. They are the namesake family of the huge and little-studied superfamily Gelechioidea, and the family's taxonomy has been subject to considerable dis ...

. It was described by Francis Walker in 1864. It is found in Amazonas, Brazil. Adults are cupreous, the forewings with a broad irregular speckled cinereous band and a slightly zigzag transverse line between the band and the base of the wing, as well as a few minute cinereous marks near the costa and continuous to a metallic-purple submarginal band. The hindwings are whitish along the costa.''List of the Specimens of Lepidopterous Insects in the Collection of the British Museum'' 29: 621
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References

Moths described in 1864 rusticella Moths of South America {{Helcystogramma-stub