Promalactis quadriloba is a moth of the family Oecophoridae. It is found in, Guizhou, China.
The wingspan is about 9-9.5 mm. The ground colour of the forewings is yellowish brown with white markings edged with black scales. The hindwings and cilia are grey.Genus Promalactis Meyrick (Lepidoptera, Oecophoridae) from China: Descriptions of twelve new species
Etymology The specific name is derived from the Latin prefix quadri- (meaning four) and the suffix -lobus (meaning lobe) and refers to the three apical lobes and the ventral process of the valva.
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