Grass-carrying Wasp   (three photos)
species Isodontia
possible Isodontia mexicana (last
two photos from 2015)


isodontia wasp
I love these these male wasps who feel like
they
have to defend my Hydrangea Bush from
other
wasps. They are very diligent in their
 endeavors - this one is just daring someone
to fly by. 
© Carol Davis 8-9-2018

black wasp with a touch of red on the abdomen
These male beautiful black thread-waisted wasps have taken
over where my Tachytes wasps left off. They have been

guarding the hydrangea in my yard in Taylorsville, Utah
ever since the Tachytes left.  © Carol Davis 7-28-2015


Isodontia wasp
If you look closely you can see just a dab of red on the thin part
of the abdomen. I have seen other references on the internet
to wasps with a similar marking. Bugguide hasn't classified this
one of mine yet but I'm hoping it turns out to the Isodontia mexicana.
They are as feisty as the Tachytes when it comes to guarding the flowers. 
You can watch a neat video on nesting Grass-carrying Wasps at
 Dick Walton's site.  © Carol Davis 7-28-2015

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