+1Buzz said:top one looks sorta like a stink bug. Treat it with hostility.
Second one just looks like a simple cricket. It should be okay.
Looks like it has a taller back to me. (the OP)GnomeGrown said:First pic may be a wheel bug
http://aggie-horticulture.tamu.edu/galveston/beneficials/beneficial-09_wheel_bug.htm