This is a male Davis' tree cricket. Note the pale limbs and golden patch on the head. The black markings on the antennae look like an upside-down exclamation point ! Hence the name, O. exclamationis
Note the silvery yellow-green color and long hindwings.
Note the long and low profile.
When Davis' tree cricket males lift their wings to sing, they display long narrow tegmina (wings).
This is a female Davis' tree cricket. Note the milky, pale limbs. She also has a golden patch on the top of her head.
Description by William T. Davis