''Metasia harmodia'' is a moth in the family Crambidae. It was described by Edward Meyrick in 1887. It is found in

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

, where it has been recorded from Western Australia. The wingspan is 15–18 mm. The forewings are shining ochreous fuscous, the lines obscurely darker. The first from one-fourth of the costa to one-third of the inner margin, sometimes anteriorly whitish edged near the inner margin. The second runs from three-fourths of the costa to two-thirds of the inner margin, posteriorly partially finely edged with white, sometimes forming a spot on the costa. There is a roundish spot outlined with darker before the middle, and a subquadrate spot somewhat more distinctly outlined beyond the middle. The hindwings are fuscous grey, but darker towards apex.XII. On Pyralidina from Australia and the South Pacific
''Transactions of The Royal Entomological Society of London'' 1887 35: 265-266

References

Moths described in 1887 Metasia {{Metasia-stub