Long antennae

4 tarsomeres (foot segments)

3 tarsomeres (foot segments)

Forewings, tough and different from soft hind wings

Wingless

Wingless

Fore wings and hind wings similar in appearance

Spade feet

Normal feet

Ears present & stridulator organ present on the base of tegmen in males

Absent

Ears absent / present

Ears and stridulatory organ absent

Gryllotalpidae

Gryllidae

Tettigonidae

Bases of antennae almost touching

Bases of antennae never touching and atleast separated by the length of first antennal segment

Gryllacrididae

 

 

 

Rhaphidophoridae

Anostostomatidae