1. References

Tactusa ostium is a moth of the Micronoctuidae family. It is known from Thailand.

The wingspan is about 11 mm. The ground colour of the forewing is yellow, with an acutely angled blackish patch in the upper medial area and a black subterminal area. Only the subterminal and terminal lines are indicated, the former inwardly outlined by light yellow and the latter with interneural black spots. The hindwing is dark grey with a discal spot and the underside is unicolorous grey.

References

• {{aut|Fibiger, M.}} 2010: Revision of the Micronoctuidae (Lepidoptera: Noctuoidea) Part 3, Taxonomy of the Tactusinae. Zootaxa, 2583: 1–119. Preview

• Deaths in January 2003
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• Deaths in July 1966
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