Five new species of plume moths (Lepidoptera: Pterophoridae) are described from Ecuador: Platyptilia azuayensis sp. nov., Hellinsia juliae sp. nov., H. razboinikovi sp. nov., H. muratovi sp. nov., and H. elini sp. nov. Two species of Pterophoridae, Quadriptilia obscurodactyla Gielis, 1994 and Stenoptilodes brevipennis (Zeller, 1874), are recorded from Ecuador for the first time.