Hendecasticha is a genus of moths belonging to the subfamily Olethreutinae of the family Tortricidae. This genus was described by Edward Meyrick in 1881. It consists of only one species, Hendecasticha aethaliana, which is endemic to New Zealand. This species has been observed in both the North and South Islands and inhabits damp or swampy grassland or scrub. The larval host of this species is likely grass species. Adults are on the wing from October until January.

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