Eumasia crisostomella

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Eumasia crisostomella is a tiny moth in the bagworm family (Psychidae). It is found in Portugal. The wingspan is about 7–8 mm. The forewings are yellowish with a clear dark brown spot at the middle of the rear edge and some narrow dark brown spots along the front edge. The outer third of the forewings is notably spotted and may form faint transverse lines. The hindwings are uniform dark grey. Scientific name: Eumasia crisostomella (Amsel, 1957); it was previously called Pygmaeotinea crisostomella.