Pheidole - Alex Wild Photography
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Pheidole tepicana is a seed-harvesting species from North America that is unusual in having three physical worker morphs. Here is major worker with two supermajors.

Arizona, USA

Pheidole tepicana is a seed-harvesting species from North America that is unusual in having three physical worker morphs. Here is major worker with two supermajors. Arizona, USA

Pheidole tepicanaPheidoletrimorphicpolymorphismsupermajorsupermajorscasteevolutionworkerssoldiersmyrmicinaeformicidaehymenopteraantsinsectsmandiblessizesquadrateheads