Search Path - How you got here.  Click on the path to backtrack.
  Number of segments between alitrunk and gaster  (Only 1 segment (the petiole) is reduced or isolated between the alitrunk and gaster)     Acidipore  (Tip of gaster with acidipore, usually projecting as nozzle with fringe of hairs; sting absent)     Number of antennal segments  (12 antennal segments)     Maxillary palp  (Maxillary palp segments 3 and 4 not longer than head)     Setae  (Dorsal surfaces with coarse, paired hairs (setae))

Identity - What this specimen is (based on the available information).
Family - Formicidae,  Subfamily - Formicinae,  Genus - Paratrechina

Description: 4 to 5 teeth on mandibles;
ants <1/4" long

Diagnostic - How to further narrow the specimen's identity.  Select the most appropriate option.
Feature to examine:  Hairy scape

  Option 1

 Antennal scape with at least 4 standing setae; uniformly dark or bicolored

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Paratrechina terricola head P. terricola body

  Option 2

 Antennal scape without erect hairs; scapes and legs are longer than P. terricola's; weakly shining black with bluish reflections

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Paratrechina longicornis head P. longicornis body