Key to Vietnamese Proceratiinae Genera

This key is based on: Eguchi, K., Bui, T.V. and Yamane, S. 2014. Generic Synopsis of the Formicidae of Vietnam (Insecta: Hymenoptera), Part II - Cerapachyinae, Aenictinae, Dorylinae, Leptanillinae, Amblyoponinae, Ponerinae, Ectatomminae and Ponerinae. Zootaxa. 3860:1–46.

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 * Vietnam
 * Leptanillinae

1

 * Abdominal segment IV not or very weakly down-curved; its sternite in lateral view not reduced, trapezoidal in shape (Fig. 70) . . . . . Probolomyrmex


 * Abdominal segment IV strongly down-curved; its sternite in lateral view minute, triangular (Fig. 71) . . . . . 2

2
return to couplet #1
 * Mandible in full-face view only partly overhung by clypeus (Fig. 72); masticatory margin armed with several teeth or distinctly serrate; apical antennal segment enlarged but not strongly bulbous (Fig. 73) . . . . . Proceratium


 * Mandible in full-face view mostly overhung by clypeus (Fig. 75); masticatory margin edentate; apical antennal segment strongly bulbous (Fig. 74) . . . . . Discothyrea