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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea sans Anthophila – Apoid Wasps » Thread-waisted Wasps (Sphecidae) » Sceliphrinae » Mud-dauber Wasps (Sceliphrini) » Black Mud-dauber Wasps (Sceliphron) » Yellow-legged Mud-dauber Wasp (Sceliphron caementarium)
Photo#76941
Wasp - Sceliphron caementarium
Copyright © 2006 Naomi Smith

Wasp - Sceliphron caementarium
Pickering, Durham Region, Ontario, Canada
July 9, 2006
Size: 3/4 inch app.
ID please
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Contributed by Naomi Smith on 12 September, 2006 - 11:08pm
Last updated 14 September, 2006 - 3:56pm

Black and yellow mud dauber?
Your specimen has just a little bit less yellowing on the top of the thorax than the other ones I see in the guide. I'm not familiar with the other options, but I'd guess it's at least in this genus.
… Lynette Elliott, 12 September, 2006 - 11:29pm login or register to post comments

 
Black and Yellow Mud dauber?
Thanks Lynette, do only some of them have the red spot on the body?
Naomi
… Naomi Smith, 13 September, 2006 - 11:52am login or register to post comments

 
Red spot
If you mean the spot on the back end or abdomen, I think that spot is actually yellow. I think the shading is making it appear reddish.
… Lynette Elliott, 13 September, 2006 - 4:44pm login or register to post comments

 
Black and Yellow Mud Dauber
The spot on the abdomen was definitely red.
Naomi
… Naomi Smith, 13 September, 2006 - 11:20pm login or register to post comments

 
Yes,
I looked through the guide a bit more and they do seem to vary a bit in markings. Here is one that looks like it has a small red spot and here is one that doesn't have any spot at all . I'm guessing your specimen is just another variation. Eric Eaton would know for sure, maybe he will add a comment.
… Lynette Elliott, 13 September, 2006 - 11:28pm login or register to post comments

 
Black and Yellow Mud Dauber
Thanks for taking the time Lynette, I do appreciate it.
Naomi
… Naomi Smith, 14 September, 2006 - 9:38am login or register to post comments

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