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Dolichoderus thoracicus is a species of ant in the genus Dolichoderus. Described by Smith in 1860, the species is widespread in Asia.
References
Shattuck, S. O. 1994. Taxonomic catalog of the ant subfamilies Aneuretinae and Dolichoderinae (Hymenoptera: Formicidae). Univ. Calif. Publ. Entomol.112:i-xix, 1-241. (page 70, see also)