Eucharitid wasps are specialized parasites of ants (in this case, Pheidole bicarinata). Chiricahua Mountains, Arizona, USA
Eucharitid wasps (blue insect at right) are specialized parasites of ants. Chiricahua Mountains, Arizona, USA
The pupa of a parasitic eucharitid wasp in a pile of Pheidole ant brood. Chiricahua Mountains, Airzona, USA
