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| Japanese Ant Identification Key:[F414-02] | 
| Key of Oligomyrmex [02] | 
| Key Process: Oligomyrmex/Oligomyrmex [01]/ | 
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| In major workers: vertex with 5 to 6 distinct transverse rugae; vertex and occiput largely smooth; in minor workers: posterodorsal corners of propodeum rounded, not forming an angle | In major workers: vertex without distinct transverse rugae; vertex and occiput more or less microreticulate; in minor workers: posterodorsal corners of propodeum forming a distinct angle | 
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| Copyright 1995-1998 by Japanese Ant Database Group |  |