New records of ant species from Yunnan, China Author Liu, Cong Author Guenard, Benoit Author Garcia, Francisco Hita Author Yamane, Seiki Author Blanchard, Benjamin Author Yang, Da-Rong Author Economo, Evan text ZooKeys 2015 477 17 78 http://dx.doi.org/10.3897/zookeys.477.8775 journal article http://dx.doi.org/10.3897/zookeys.477.8775 1313-2970-477-17 DFE4A6FC77284576A1F4BD1D38173811 Taxon classification Animalia Hymenoptera Formicidae Tetramorium difficile Bolton, 1977 Figure 36 Material examined. CHINA, Yunnan, Xishuangbanna: XTBG ( 21.918°N , 101.271°E ), Secondary forest, 05.vi.2013, 2 workers, 552 m, Winkler sifting, B. Guenard , B. Blanchard and C. Liu. Distribution. Known form Yunnan (new record), northern India, and Vietnam (Figure 36C). Figure 36. Tetramorium difficile worker, CASENT0713193. A Head in front view B Mesosoma in profile view C Global distribution map. Taxonomic note. Tetramorium difficile is a member of the Tetramorium tonganum group and can be identified with the key provided by Bolton (1977) . However, Tetramorium difficile under its current definition is morphologically very close to Tetramorium tonganum . It is likely that both are conspecific and the material listed as Tetramorium difficile represents intraspecific forms of the very widespread Tetramorium tonganum . Natural history. Tetramorium difficile has been collected from leaf litter in secondary forest, and little is known about its bionomics.