Stenoptilia mengeli is a moth of the family Pterophoridae. It is found in Greenland and Nunavut, Canada.
The wingspan is about 20 mm. The head, palpi, thorax, abdomen and legs are dark ashy grey. A fine white line occurs over each eye. The forewings are ashy grey and glistening. There are a few dark fuscous scales on the first lobe, forming an ill-defined longitudinal stripe on the middle. There is also a fuscous spot at the end of the cleft and a less distinct one on the middle of the cell. The hindwings are ashy grey.The pterophoridae of North America
Among Stenoptilia species, the lowest interspecific divergence was between Stenoptilia mengeli and Stenoptilia islandicus.
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