Promalactis serpenticapitata is a moth of the family Oecophoridae. It is found in Fujian, Jiangxi and Zhejiang provinces of China.
The wingspan is about 10.5–13 mm. The basal three-fifths of the forewings are ochreous brown, the distal two-fifths are ochreous yellow. The markings are silvery white or white, edged with dense black scales. The hindwings and cilia are dark grey.Genus Promalactis Meyrick (Lepidoptera, Oecophoridae) from China: Descriptions of twelve new species
Etymology The specific name is derived from the Latin prefix serpent- (meaning snakelike) and the adjective capitatus (meaning having a head) and refers to the small, snake head shaped subapical process on the ventral surface of the gnathos.
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