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Photo#538943
Small Wasp - Diplazon laetatorius - female

Small Wasp - Diplazon laetatorius - Female
Watsonville, Santa Cruz County, California, USA
June 30, 2011
Size: 4-5mm (body)
Fast moving wasp. It flew from leaf to leaf with no obvious purpose. Did not appear to be interested in the aphids infesting the plants.

Images of this individual: tag all
Small Wasp - Diplazon laetatorius - female Small Wasp - Diplazon laetatorius - female

Moved
Her interest in the aphids was limited to determining whether the colony was inhabited by any predatory Syrphidae and perhaps taking sustenance from aphid honey dew in the process.

Moved from ID Request.

Parasitoid?
Perhaps it is a parasitoid of aphid-eating syrphid larvae. Something along these lines.

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