Glaphyrarcha is a genus of moths of the family Carposinidae. It contains only one species Glaphyrarcha euthrepta. This species is endemic to New Zealand and has been observed in the North and South Islands in the Waikato region and at Arthur's Pass. Adults are on the wing in October and November and are attracted to light. When at rest the adults of this species hold their wings scarcely overlapping and largely flat.

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