Duplex horakae is a moth of the family Erebidae first described by Michael Fibiger in 2010. It is known from the northern parts of Australia's Northern Territory and the north-eastern part of the state of Western Australia.
The wingspan is 7.5–9 mm.
References
- Fibiger, Michael (2010). "Revision of the Micronoctuidae (Lepidoptera: Noctuoidea). Part 3, Taxonomy of the Tactusinae" (PDF). Zootaxa. 2583: 1–119.