Chorthippus parallelus

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Orthoptera
Family: Acrididae
Genus: Chorthippus
Species: C. parallelus
Common name: Meadow Grasshopper

Of the 11 Acrididae Grasshoppers in the UK this is the only one that is flightless.