Identification of The Migratory locust

Migratory locust imagos can be accurately identified according to the following criteria :

General morphology

Size : Males are 42-55 mm long, females are 54-72 mm long.

Overall body colour

Two colours are noted in the solitary phase : green and brown.

In the solitary phase, imagos are generally green or brown with various degrees of black, yellow or brown spots. In natural populations, there are seasonal variations in the percentage of green and brown forms. Green forms predominate in the wet season, with brown forms being more common in the dry season.

In the gregarious phase, imagos are solid yellow with heavy black maculation. Gregarious hoppers are yellow with dark black markings. Solitarious hoppers are green or brown.

Wing colour

Completely transparent, never any colouring.

No prosternal tubercle