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Aphidius ervi - biocontrol wasp attacking Acyrthosiphon pisum pea aphids. Laboratory colony at the University of Arizona
Encyrtid wasp, Comperia merceti, emerging from a parasitized cockroach egg case. Laboratory colony at the University of Arizona. filename: encyrtid2
A hornworm rears up when attacked by a parasitic Cotesia wasp. filename: Cotesia3
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
A trio of parasitic phorid flies (Pseudacteon lontrae) hover over an ant nest (Linepithema oblongum) looking for targets. Termas de Reyes, Jujuy, Argentina
Eucharitid wasps are specialized parasites of ants. Arizona, USA. filename: eucharitid4
Eucharitid wasp, male. California, USA. filename: eucharitid1
Wham! A parasitic phorid fly (Pseudacteon) plants her ovipositor between the abdominal sclerites of a Linepithema oblongum worker ant to lay her egg. The oviposition takes less than a second. The hapless ant will later be consumed alive by the developing fly larva. Termas de Reyes, Jujuy, Argentina
The pupa of a parasitic eucharitid wasp in a pile of Pheidole ant brood.

Chiricahua Mountains, Airzona, USA
The pupa of a parasitic eucharitid wasp in a pile of Pheidole ant brood. Chiricahua Mountains, Airzona, USA
The pupa of a parasitic eucharitid wasp in a pile of Pheidole ant brood.

Chiricahua Mountains, Airzona, USA
See photo in original gallery.
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all images and text © Alex Wild 2001-2013