Crematogaster (Oxygyne) tumidula Emery,

Hosoishi, S. & Ogata, K., 2009, A taxonomic revision of the Asian endemic subgenus Physocrema of the genus Crematogaster (Hymenoptera: Formicidae)., Zootaxa 2062, pp. 15-36: 33

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Crematogaster (Oxygyne) tumidula Emery


Crematogaster (Oxygyne) tumidula Emery  HNS 

Crematogaster tumidula Emery  HNS  1900: 689. Syntypes, 2 workers from INDONESIA: Pangherang-Pisang, Sumatra (E. Modigliani) ( MCSN) [examined]. Combination in C. (Physocrema)  HNS  by Emery, 1922: 140; Donisthorpe, 1941: 226.

Remarks. Examination of syntype workers in MCSN reveals that tumidula  HNS  does not belong to the subgenus Physocrema  HNS  . Characteristic features include: frontal carinae not developed; anterior clypeal margin not concave; metapleural gland orifice slit-shaped; petiole broader anteriorly. These features are characteristic of the subgenus Oxygyne  HNS  and we consider C. tumidula  HNS  to be referred to that subgenus.


Italy, Genova, Museo Civico di Storia Naturale