Definition of wart-biter in English:

wart-biter

noun

  • A large mottled green or brown bush cricket that inhabits coarse grassland in Europe.

    • ‘This is a method to analyze habitat selection of a bush-cricket (the wart-biter, Decticus verrucivorus).’
    • ‘The wart-biter is a large bush-cricket that lives in sun-exposed grassland with low vegetation.’
    • ‘Because wart-biters bask in the sun, ambient temperature is of less importance than incoming radiation from the sun.’

Origin

Mid 19th century: so named from the reputed former use in Sweden of such crickets to bite off warts.