asian bullet ants (diacamma indicum) carrying a dead cockroach : (pix sanjiv shukla)

diacamma asian bullet ants queenless subfamily ponerinae india australia queen pheromone communication caste workers mandibles cocoon innervated division labor thoracic appendages wings mate dominance cockroach hierarchy formic acid formicines reproduction colony egglaying bite mutilation neuronal connections sensory hairs central nervous system behavior antenna antennae nestmate black japan southern china southeast asia forage individually ground vegetation predators arthropods nest soil rotting logs deep complex chambers emigrate environment social aggressive