Parent Key Path:
| Odontomachus monticola | Odontomachus sp.2 | 
| Head posteriorly with striae (Fig.); subapical tooth (the apical third tooth) of mandible about 1.5 times as long as wide; larger species, total length 10 mm or more. | Head posteriorly smooth, without striae (Fig. ); subapical tooth (the apical third tooth) of mandible about twice as long as wide; smaller species, total length 10 mm or less. | 
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