Pheidole tepicana supermajor. The massive head of this granivorous ant holds muscles for milling seeds. Arizona, USA
Pheidole tepicanaPheidoletrimorphicpolymorphismsupermajorsupermajorscasteevolutionworkerssoldiersmyrmicinaeformicidaehymenopteraantsinsectsmandiblessizesquadrateheads
