New Myrmoteras Ants (Hymenoptera: Formicidae) From The Southeastern Philippines Author Zettel, Herbert Author Sorger, Daniela Magdalena text Raffles Bulletin of Zoology 2011 2011-02-28 59 1 61 67 journal article 10.5281/zenodo.10106842 2345-7600 10106842 Key to Philippine species of Myrmoteras (workers and gynes) 1 Head ( Fig. 1 ) and pronotum ( Fig. 3 ) smooth and shiny .... 2 – Head ( Figs. 7, 11 ) and pronotum ( Fig. 9 ) granulate and dull. ............................................................................................... 3 2 Median frontal sulcus distinct ( Fig. 1 ). Body dark brown ..... ....................................................... M. glabrum , new species – Median frontal sulcus absent. Body dark orange red ............. ......................................................................... M. insulcatum 3 Posterior face of temple (behind ridge) finely granulate. Mandible Index ± 1.45 ( Fig. 7 ). Petiolar node wide (lateral aspect, Fig. 8 ). Antennomeres 2 and 3 of subequal length ( Fig. 7 ) ................................................. M. mcarthuri , new species – Posterior face of temple (behind ridge) smooth, without any sculpture. Mandible Index Ṡ 1.30 ( Fig. 11 ). Petiolar node narrow (lateral aspect). Antennomere 2 approximately 1.5 times as long as antennomere 3 ( Fig. 11 ) ....................... M. williamsi