There are eight species of Orthoptera native to Ireland, seven grasshoppers and one bush-cricket.^[1]

Family: Acrididae

Subfamily: Gomphocerinae (slant-faced grasshoppers)

• Genus: Chorthippus
  • Lesser marsh grasshopper Chorthippus albomarginatus
  • Common field grasshopper Chorthippus brunneus
• Genus: Myrmeleotettix
  • Mottled Grasshopper Myrmeleotettix maculatus
• Genus: Omocestus
  • Common Green Grasshopper Omocestus viridulus

Subfamily: Oedipodinae (bandwings)

• Genus: Stethophyma
  • Large Marsh Grasshopper Stethophyma grossum

Family: Tetrigidae (pygmy grasshoppers)

Subfamily: Tetriginae

• Genus: Tetrix
  • Slender Ground-hopper Tetrix subulata
  • Common Ground-hopper Tetrix undulata

Family: Phaneropteridae

Tribe: Barbitistini

• Genus: Leptophyes
  • Speckled bush-cricket Leptophyes punctatissima