Dichomeris prensans is a moth in the family Gelechiidae. It was described by Edward Meyrick in 1922. It is found in Peru and the Brazilian states of Pará and Amazonas.[1]
The wingspan is . The forewings are brownish ochreous, often violet tinged, sometimes obscurely strigulated with ferruginous brown. There is a streak of dark brown suffusion along the costa from the base to five-sixths. The dorsal half is suffused with dark violet brownish, variably mixed or strigulated by dark ferruginous fuscous, the stigmata sometimes perceptible as ferruginous-brown spots, the plical beyond the first discal. There is also a variable irregular narrow terminal fascia of dark brown suffusion. The hindwings are dark grey.[2]