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tiny wasp - female

tiny wasp - Female
Daly Point Nature Reserve, Bathurst, Gloucester County, New Brunswick, Canada
August 22, 2009
Size: 1cm
This wasp showed interesting behaviour. I first saw it hovering around the base of a tree beside a trail. It darted inside a spider web, then walked, unscathed, inside the outer edge of the web, emerged, then walked along an achoring silk line. It then flew to the surface of the tree, where I took this picture. One image, which did not turn out, shows the wasp about 2 cm away from the small brown spider.

Moved from Pimplinae.

Moved from ID Request.

The slender, polished look, cylindrical depressed abdomen, coloration, and a short wide first metasomal segment indicate an ichneumon wasp in this subfamily. Some genera do parasitize spider adults or even their egg sacs. This female was likely checking out the possibilities here.

See reference here.

Ichneumon wasp
Female, probably in the Pimplinae subfamily.

Ichneumonoidea -
I think - maybe a braconid? Ross Hill may know the subfamily. He or someone else may also know if they parasitize spiders - I'm not sure...

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