Trichopria drosophilae (Diapriidae) is a parasitoid wasp that attacks the pupae of drosophilid fruit flies. Here, a female probes a pupa with her ovipositor.

Laboratory culture at Emory University, Georgia, USA
This Isodontia mexicana wasp has been stylopized by Paraxenos parasites in the enigmatic order Strepsiptera, evident as bulges emerging between the abdominal segments.

Illinois, USA
Sand wasps (Crabronidae) mating.

California, USA
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.

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A hornworm rears up when attacked by a parasitic Cotesia wasp.

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Predator and prey: Myrmecia pyriformis with a european hornet.

Yandoit, Victoria, Australia
Eucharitid wasp, male. California, USA.

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Few ants are able to make a European wasp look as small as does this enormous Myrmecia pyriformis bull ant.

Yandoit, Victoria, Australia
Eucharitid wasp, male. California, USA.

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Eucharitid wasp, male. California, USA.

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Eucharitid wasp, male. California, USA.

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See photo in original gallery.
all images and text © Alex Wild 2001-2013