References
Female Chorthippus parallelus © Ted Benton
Gardiner, T (2009) Essex Grasshopper Recording.
Haes, ECM and Harding, PT (1997) Atlas of Grasshoppers, Crickets and Allied Insects in Britain and Ireland, London, The Stationery Office.
Marshall, JA and Haes, ECM (1988) Grasshoppers and Allied Insects of Great Britain and Ireland, Colchester, Harley Books.
Marshall, JA (1999) Guide to British Grasshoppers and Allied Insects (AIDGAP key), Preston Montford, Field Studies Council.
Marshall, JA (2001) Grasshoppers, crickets and allied insects. In D.L. Hawksworth, ed., The Changing Wildlife of Great Britain and Ireland , Systematics Association Special Volume Series 62, London, Taylor & Francis, pp. 328–339.
Marshall, JA (2010) Grasshoppers, crickets and allied insects, in Silent Summer, The State of Wildlife in Britain and Ireland, ed. Norman Maclean, pp. 531–539, Cambridge University Press.
Sutton, P, Beckmann, B and Roy, H (2008) Recording Scheme for Orthopteroids of the British Isles, Wallingford, Biological Records Centre.
