Stigmella montanotropica is a moth of the family Nepticulidae. It is found in tropical montane forest on the western slopes on the Andes in Ecuador.
The wingspan is 5-5.1 mm for females. Adults have been found from February to early March.
The larvae feed on Acalypha species. They mine the leaves of their host plant.
External links New Neotropical Nepticulidae (Lepidoptera) from the western Amazonian rainforest and the Andes of Ecuador