Key to Stigmatomma with eleven-segmented antenna

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This worker key is based on: Bharti, H. and Rilta, J.S. 2015. A new species and a new record of the ant genus Stigmatomma Roger (Hymenoptera: Formicidae) from India. Sociobiology. 62:506-512. (doi:10.13102/sociobiology.v62i4.364).

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Bharti and Rilta 2015. Figures A-D.
Bharti and Rilta 2015. Figures E-G.
  • Anterolateral corners of head acutely toothed/Genal teeth present (Fig A), mesosoma smooth and shiny (Fig C) (Neotropical Region: Dominican Republic, Greater Antilles, Lesser Antilles, Type locality-Puerto Rico) . . . . . Fulakora falcata
MCZ ENT Stigmatomma falcata hef.jpg
MCZ ENT Stigmatomma falcata hal.jpg
  • Anterolateral corners of head not toothed/Genal teeth absent (Fig B), mesosoma variously sculptured from sparsely to densely punctuate (Fig D) . . . . . 2

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  • In full face view, head trapezoidal in shape, masticatory margin of mandible with 5 set of paired teeth; in profile view (Fig E), posterolateral corner of propodeum angulate, and anterodorsal corner of petiolar node bluntly angled; subpetiolar process trapezoidal (Fig G) (Palearctic Region: Japan; Oriental Region: China, Type Locality- Taiwan) . . . . . Stigmatomma sakaii
Amblyopone sakaii head (www.niaes.affrc.go.jp).jpg
Amblyopone sakaii side (www.niaes.affrc.go.jp).jpg
  • In full face view, head rectangular in shape, masticatory margin of mandible with 4 set of paired teeth; in profile view (Fig F), posterolateral corner of propodeum and anterodorsal corner of petiolar node rounded; subpetiolar process oblique (Fig H) (Oriental Region: India) . . . . . Stigmatomma xui
Stigmatomma xui h.jpg
Stigmatomma xui pd.jpg