Tacua speciosa is a very large Southeast Asian species of cicada.

It is the only member of the genus Tacua (from Chinese: 大鼓; pinyin: dàgǔ; Wade–Giles: ta4ku3; lit.

[2] Megapomponia, Pomponia and Tacua are the largest cicadas in the world.

Tacua speciosa has black wings, a yellow-green collar, a red transverse stripe on the thorax and a turquoise-blue abdomen.

This species can be found in Borneo, Sumatra, Java, Singapore, Malay Peninsula.