What's That Bug? does not endorse extermination

Subject:  Wasp
Geographic location of the bug:  Niagara Falls, Ontario
Date: 09/25/2017
Time: 12:06 PM EDT
What is this wasp dragging a spider across the deck? The iridescent blue wings and striped body, rusty colored legs and eyes are beautiful. It was very fast but I was able to get a very short video of it.
How you want your letter signed:  Dawn

Spider Wasp with Prey

Dear Dawn,
This is a Spider Wasp in the family Pompilidae, and female members of the family hunt and paralyze Spider to feed to the developing brood.  Your species,
Tachypompilus ferrugineus, does not have a species specific common name.  According to BugGuide:  “Adults are often found taking nectar from flowers (Daucus, Pastinaca, and Eryngium). Females provision nests mainly with Lycosids” meaning the Spider in your image is most likely a Wolf Spider.

Spider Wasp and Prey

Thank you Daniel. It is extraordinary that you replied so quickly and it is much appreciated. I will write a short story for the Bert Miller Nature Club’s fall Rambler newsletter and give reference to What’s That Bug and the information you provided.
Sincerely,
Dawn Pierrynowski

Spider Wasp

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What's That Bug? does not endorse extermination
Location: Niagara Falls, Ontario, Canada

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