Diacamma indicum

This species is native to the Indian subcontinent and has been introduced into southern Japan.

Distribution
Terayama et al. (2014) names the single species known from Japan as D. indicum. This is consistent with the molecular data of Viginier et al. (2004) that suggest a human-mediated introduction from India to the Ryukyu islands, Japan.

Distribution based on Regional Taxon Lists
Oriental Region: Bangladesh, Japan, India, Sri Lanka.

Nomenclature

 *  indicum. Diacamma rugosum var. indica Santschi, 1920g: 179 (w.) INDIA. [First available use of Diacamma rugosum r. vagans var. indicum Forel, 1903d: 400; unavailable name.] Junior synonym of vagans: Mukerjee & Ribeiro, 1925: 205. Revived from synonymy and raised to species: Doums, 1999: 1958.