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 without coarse, paired hairs)     Position of antenna  (Antenna well behind posterior margin of clypeus; frontal lobes extended; alitrunk without step)     Circular head  (Head of major worker is not circular and not abruptly truncated)     Clypeus border  (Clypeus not as above)

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


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

  Option 1

 Clypeus without ridges; major worker with anterior margin of median lobe of clypeus straight; the angle between the median portion and lateral portion of clypeus is sharp and toothlike

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Camponotus texanus head
(major worker)

  Option 2

 Clypeus with ridges

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Camponotus sansabeanus head
(major worker)