Stigmella montanotropica
 Stigmella montanotropica is a moth of the Nepticulidae family. 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. The mine the leaves of their host plant. The mine consists of a very long slender sinuous to contorted gallery mostly located on the upperside of the leaf.