From your picture, this is called mole cricket.

Characteristics of mole crickets are: adult: male adult body length 30 mm, female adult body length 33 mm. body light teal brown, prothorax dorsal plate center has a depression obvious dark red long heart-shaped spots. The forewings are short, the hindwings are long, and the end of the abdomen is nearly fusiform.

The forefoot is a digging foot, the inner and outer edges of the leg segments are straight, the notch is not obvious, the inner edge of the spine of the tibial segment of the hind foot has 3~4 spines, which is the main feature to identify the Oriental mole crickets, and the end of the abdomen has a pair of caudal whiskers.

Gryllotalpa mayflies are shown in the picture: