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Blue Black Spider Wasp Paralyzes Orbweaver

Posted by February 5th, 2011 at 11:40 am

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Orb Weavers, spider wasps

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wasp and paralyzed spider
Location: Hyannis Massachusetts
February 4, 2011 10:09 pm
Hi guys, I saw these two locked in combat one summer day in Hyannis, Massachusetts and ran for my camera. By the time I got back it was all over and the wasp had won. In this picture she is dragging the spider to the hole she dug after paralyzing it. I’d like to know the official ID of each of them, especially the spider.
Signature: any

spider wasp orbweaver massachusetts 300x206 Blue Black Spider Wasp Paralyzes Orbweaver

Blue Black Spider Wasp and Orbweaver

Hi any,
We believe your wasp is a Blue Black Spider Wasp in the genus
Anoplius based on information on BugGuide which indicates:  “Larvae are provisioned with wolf spiders, funnel web spiders. Many are generalists and will provision with nearly every common family of spider found in North America.“  That information is interesting, because Orbweavers are atypical prey.  We believe the spider is a Giant Lichen Orbweaver, Araneus bicentenarius, based upon photos on BugGuide.

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  1. From Log In | What's That Bug? on 07 Feb 2011 at 7:27 am

    [...] Black Spider Wasp preys upon OrbweaverHi Alan, Thanks so much for sending your photo.  Our statement was based upon information posted on BugGuide and not upon any research in books.  Scientific [...]

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