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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 » Square-headed Wasps, Sand Wasps, and Allies (Crabronidae) » Bembicinae » Sand Wasps (Bembicini) » Bembicina » Bembix » Bembix americana » Bembix americana spinolae
Photo#9445
white-ribboned wasp - Bembix americana - female
Copyright © 2005 Robin McLeod

white-ribboned wasp - Bembix americana - Female
Thedford Conservation Area, Lambton, Ontario, Canada
September 20, 2004
Size: about 12 mm
On asters in an open sandy area. I saw a couple of similar photos in the Guide in the Digger Wasps category. The wavy white bands and unmarked back look close to pictures of Bembix on the web (1, 2).
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Contributed by Robin McLeod on 2 January, 2005 - 6:15pm
Last updated 26 September, 2017 - 8:39pm

Moved
Moved from Bembix.

6 abdominal segments = ♀
… Bob Biagi, 26 September, 2017 - 8:39pm login or register to post comments

Bembix sand wasp
Nice job with the ID, Robin. Females have a "tarsal rake" of prominent spines on the front tibia ("shins"), while males lack this feature. Bembix feed their offspring paralyzed flies on an "as needed" basis, much as birds feed their nestlings. They close the nest between visits, using subtle landmarks to find it again. (and we can't remember where we parked the car...:-)
… Eric R. Eaton, 3 January, 2005 - 11:55am login or register to post comments

 
Bembix sand wasp
Thanks for the ID confirmation and the extra behavioral info - always good to know.
… Robin McLeod, 4 January, 2005 - 5:50pm login or register to post comments

 
Bembix americana spinolae
Looks like B. americana spinolae.
… Adalbert Goertz, 1 June, 2006 - 4:43pm login or register to post comments

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