''Stenoma periaula'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family

Depressariidae Depressariidae is a family of moths. It has formerly been treated as a subfamily of Gelechiidae, but is now recognised as a separate family, comprising about 2,300 species worldwide.Heikkilä, M. ''et al''. 2014: Morphology reinforces proposed mo ...

. It is found in

French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas departments and regions of France, overseas department/region and single territorial collectivity of France on the northern Atlantic ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is about 16 mm. The forewings are dark violet grey with the costal edge white throughout, more strongly towards the base. There is a hardly curved white line from the middle of the costa to before three-fourths of the dorsum and a white line with waved anterior edge running around the apex and termen, marked with a series of small black dots on the marginal edge. The hindwings are rather dark grey.''Exotic Microlepidoptera'' 1 (16): 510

References

Moths described in 1916 Taxa named by Edward Meyrick Stenoma {{Stenoma-stub