- Holotype: THNHM, TH99-SKY-05, worker, 9.VII.1999, leg. Sk. Yamane.
- Type locality: THAILAND: Worker from NE. Thailand, Nakhon Ratchasima Prov., Sakaerat Environmental Research Station, dry evergreen forest.
- Etymology: .The species is named after Dr. Decha Wiwatwitaya of the Ant Museum, Faculty of Forestry, Kasetsart University, who has guided W. Jaitrong in various ways.