Dichomeris cuspis is a moth in the family Gelechiidae. It was described by Kyu-Tek Park in 1994. It is found in south-eastern Siberia, Korea and Shaanxi, China.
The length of the forewings is 7.2-7.7 mm.Insecta Koreana 11: 4
The larvae feed on Quercus acuteserrata.
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