Kill it before it lays eggs!
Most possibly a cicada or a heat bug.
roosterroach wasp
do you idiots even google image search those before you say them?
I didn't but I wasn't being serious. I didn't even think roosterroach wasps existed.
https://www.google.com/search?q=palo+verde+root+borer&source=lnms&tbm=isch&sa=X&ei=yb_4UaefN4_yiQKakYD4Aw&sqi=2&ved=0CAcQ_AUoAQ&biw=1363&bih=542