Leaf-cutter ants are coated in rocky crystal armor, never before seen in insects National GeographicThese Ants Suit Up in a Protective 'Biomineral Armor' Never Seen Before in Insects ScienceAlertLeaf-cutter ant first insect found with biomineral body armour Phys.orgScientists discover the first insects with a shell-like armor ZME ScienceMineral body armor helps some leaf-cutting ants win fights with bigger kin Science NewsView Full Coverage on Google News