Trust aims to boost small pearl-bordered fritillary colonies in Shropshire Hills by planting 20,000 violets this year for their caterpillars A mass planting of marsh violets across England’s Shropshire Hills is to take place to try to prevent further decline of the small pearl-bordered fritillary or Boloria selene, a rare UK butterfly.The small pearl-bordered fritillary’s distribution across the UK has plunged 71% since the mid 1970s and the species is now listed as vulnerable, according to the 2022 state of UK butterflies report. Continue reading... Source link : https://www.theguardian.com/environment/article/2024/may/10/marsh-violets-key-to-helping-rare-fritillary-butterfly-says-national-trust Author : Sophie Kevany Publish date : 2024-05-10 07:00:31 Copyright for