Orectognathus - Alex Wild Photography
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Orectognathus versicolor is unusual for a trap-jaw ant in having a major worker caste (the large ant at center).  The function of majors in this species remains unknown; other Orectognathus lack majors.

Brisbane, Queensland, Australia

Orectognathus versicolor is unusual for a trap-jaw ant in having a major worker caste (the large ant at center). The function of majors in this species remains unknown; other Orectognathus lack majors. Brisbane, Queensland, Australia

Orectognathus versicolorOrectognathusdacetinimyrmicinaeformicidaehymenopteraantsanttrap jaw antstrapjaw antsmyrmicine trap jaw antstropical antsmandiblesworker antworker antssoldier antsmajor worker antsmajor workerspolymorphismcaste