''Erechthias dracaenura'' 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

Tineidae Tineidae is a family of moths in the order Lepidoptera described by Pierre André Latreille in 1810. Collectively, they are known as fungus moths or tineid moths. The family contains considerably more than 3,000 species in more than 300 genera. ...

. It is endemic to

São Tomé Island São Tomé Island, at , is the largest island of São Tomé and Príncipe and is home in May 2018 to about 193,380 or 96% of the nation's population. The island is divided into six districts. It is located 2 km (1¼ miles) north of the ...

, an island off the western equatorial coast of Central Africa. The species was described by

Edward Meyrick Edward Meyrick (25 November 1854, in Ramsbury – 31 March 1938, at Thornhanger, Marlborough) was an English schoolmaster and amateur entomologist. He was an expert on microlepidoptera and some consider him one of the founders of modern micr ...

in 1934. The length of the forewings is about 8 mm. The forewings have a whitish background colour, irrorated (speckled) with isolated brown scales and marked with 6–8 scattered, moderately large, darker brown to black spots.Davis, D.R.; Mendel, H. 2013
"The genus ''Erechthias'' Meyrick of Ascension Island, including discovery of a new brachypterous species (Lepidoptera, Tineidae)"
''ZooKeys'', 341: 1-20.

References

Moths described in 1934 Erechthiinae Endemic fauna of São Tomé Island Insects of São Tomé and Príncipe Moths of Africa {{Tineidae-stub