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Not a wasp - some type of fly
Maybe a Conopidae
https://en.wikipedia.org/wiki/Conopidae
Agreed - mud dauber.
At that size it might be a Megarhyssa sp.
https://en.wikipedia.org/wiki/Megarhyssa...
http://bugguide.net/node/view/4158
This is some type of beetle.
You are right twice.
They are ants with wings (and ants are a type of wasp).
This is a chalcid wasp (Chalcidoidea) in the family Pteromalidae.
Try this
https://en.wikipedia.org/wiki/Devil%27s_...
If it isn't this it is probably something pretty similar
Hard to tell from the pictures - but possibly stingless bees
https://en.wikipedia.org/wiki/Stingless_...
some type of tiger beetle - Cicindelidae
https://en.wikipedia.org/wiki/Tiger_beet...