A subgeneric revision of Crematogaster and discussion of regional species-groups (Hymenoptera: Formicidae) Author Blaimer, Bonnie B. text Zootaxa 2012 3482 47 67 journal article 10.5281/zenodo.209409 b98d4ae1-2d1a-4707-848d-1f4841755f22 1175-5326 209409 42F5ABE3-37EC-48D6-AB1A-357BCC93DF68 xi. Crematogaster tetracantha- group 1. Pronotum antero-laterally with distinct sharp margins or denticles ( Fig. 38 ) or spinose protuberances ( Fig. 39 ). 2. Petiole in dorsal view either greatly flared ( Fig. 17 a) and transversely convex, or suboval ( Fig. 18 a). This group comprises all members of the previous subgenus Xiphocrema and some additional species from Crematogaster , and thus to date has the following members: C. dahlii Forel , C. tetracantha Emery , C. recurva Emery , C. elegans Smith , C. flavitarsis Emery , C. weberi Emery , C. elysii Mann , C. abrupta Mann and C. tarsata Smith.