The first discovery of the “ Pheidole quadricuspis group ” in the Indo-Chinese Peninsula (Insecta: Hymenoptera: Formicidae: Myrmicinae) Author Katsuyuki Eguchi Author Bui Tuan Viet Author Emiko Oguri Author Seiki Yamane text Revue suisse de Zoologie 2016 123 1 45 55 journal article 39051 10.5281/zenodo.46289 05d72676-d09d-442f-a042-b9cd3fe7ade2 0035-418 46289 Pheidole spinicornis Eguchi, 2001 Pheidole spinicornis Eguchi, 2001 : 116 -117. Type material examined: BMNH , MBD , MCZC , MSNG , NHMW , UMS ; Malaysia , Sabah, Sepilok Forest; K. Eguchi leg. [Eg98-BOR-880 (Accession No. LC 020539 : voucher specimen No. Ext20131029-1), type images: CASENT0901620 and CASENT0901621 of AntWeb (http://www.antweb.org/)]. Nontype material examined: ACEG ; Malaysia , Sabah, Poring, 500 m alt., Kinabalu Park, H. Hirosawa leg., 20/ vii/1997 , Poring, 600 m alt., T. Kikuta leg. [ 6x2906 -5- Bd], Sayap Kinabalu, ca. 1000 m alt., K. Eguchi leg., 15/vii/1996 . Distinction from P. leloi : In the major, promesonotal dome with a pair of spines which slightly or weakly curve backward, with a distinct transverse ridge on its posterior slope; first gastral tergite finely punctate over the surface. In the minor, propodeal spine horn-like, weakly downcurved; petiolar node in lateral view blunt at apex, and in posterior view not emarginate at apex.