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Praying Mantises Confirmed in Cornwall as Northward Range Shift Draws Scrutiny

Scientists urge public reporting to find out if these isolated finds mark the start of a local breeding population.

Overview

  • Cornwall Wildlife Trust verified two European praying mantis sightings in separate gardens near Truro and Mousehole this week.
  • Experts say the insects may have arrived on strong winds or by accidental transport in luggage, with escape from captivity considered less likely.
  • There is no confirmed breeding population on mainland Britain, although populations are established on the Isle of Wight and the Channel Islands.
  • Entomologists describe the species as moving north with a warming climate and note previous sporadic records in Oxford, Stratford, Warwickshire and the New Forest.
  • The Royal Entomological Society is asking people to submit records, including via iNaturalist, to assess whether conditions in Cornwall could support establishment.