Key to Philippine species of Myrmoteras

This worker and gyne key is based on: [[Media:Zettel & Sorger 2011.pdf|Zettel, H. and Sorger, D.M. 2011. New Myrmoteras ants from the southeastern Philippines. Raffles Bulletin of Zoology. 59:61-67.]]

Zettel and Sorger (2011) - The genus has two subgenera, Myrmoteras s.str. and Myagroteras Moffett, 1985. They are probably monophyletic entities (Moffett 1985). Only Myagroteras is known east of Huxley’s Line (Philippines, Sulawesi, Lombok), and two Philippine-endemic species have been described in the past: Myrmoteras (Myagroteras) williamsi Wheeler, 1919 and Myrmoteras (Myagroteras) insulcatum Moffett, 1985. Knowledge on Myrmoteras in the Philippines is extremely fragmentary, and much more specific field work with leaf litter sampling is required in order to provide a more complete picture than we can present now.

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Myrmoteras

1

 * Head and pronotum smooth and shiny . . . . . 2


 * Head and pronotum granulate and dull. . . . . . 3

2
return to couplet #1
 * Median frontal sulcus distinct. Body dark brown . . . . . Myrmoteras glabrum


 * Median frontal sulcus absent. Body dark orange red . . . . . Myrmoteras insulcatum (known only from the queen caste)

3
return to couplet #1
 * Posterior face of temple (behind ridge) finely granulate. Mandible Index _ 1.45. Petiolar node wide (lateral aspect). Antennomeres 2 and 3 of subequal length. . . . . . Myrmoteras mcarthuri


 * Posterior face of temple (behind ridge) smooth, without any sculpture. Mandible Index _ 1.30. Petiolar node narrow (lateral aspect). Antennomere 2 approximately 1.5 times as long as antennomere 3 . . . . . Myrmoteras williamsi