Aiolopus thalassinus[1] is a species of grasshopper belonging to the family Acrididae, subfamily Oedipodinae.

It is present in many countries of Europe (but not the British Isles), and in the Afrotropical realm to Asia and the Pacific islands.

The colouration of this species is generally from clear brown to dark brown.

Females have a size of 21–29 mm and males of 15–19 mm.

The Orthoptera Species File lists:[2]