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Campsomeris quadrimaculatus

Posted by March 25th, 2006 at 1:00 am

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Wasps and Hornets

Name of Wasp in photo
Can you please tell me the name of the wasp in the attached picture? I captured it in Central Florida. It has 4 yellow dots on its black back.
Nick Campbell

campsomeris quad pinned Campsomeris quadrimaculatus

Because of the large size, we believe this is Campsomeris quadrimaculatus and not the much smaller similarly colored Scolia nobilitata, which only reaches slightly over a centimeter in length. These are Scolid Wasps that prey on the larvae of Scarab Beetles. The female locates the grubs by digging. She then stings and paralyzes it and creates a chamber around the now immobile grub and then lays an egg. Adults visit flowers for nectar and females can sting painfully if provoked.

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