Singing male O. forbesi(Forbes' tree cricket) - the wings lift to sing and close after the singing stops. [Note: Videos will not play with Microsoft Edge]
Light colored males tend to have a dark strip on the head running down into the pronotum.
Female Forbes' tree crickets tend to have yellowish heads.
This is a dark colored male Forbes' tree cricket.
It is impossible to separate Forbes' from Black-horned tree crickets by appearance alone. Some Black-horned tree crickets are 95% green; some Forbes' tree crickets have very black limbs, head and pronotum.
This pair of tree crickets have areas of deep black. Analysis of the male's song showed these are Forbes' tree crickets.