Telamoptilia prosacta is a moth of the family Gracillariidae. It is known from Thailand, Taiwan, Indonesia (Java), India (Bihar), Japan (the Ryukyu Islands) and Fiji.Global Taxonomic Database of Gracillariidae (Lepidoptera)
The wingspan is 6.5–8 mm.
The larvae feed on Ipomoea species, including Ipomoea batatas. They mine the leaves of their host plant. It has not been recorded as a severe pest.
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