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.[1]
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.