Rare butterflies have 'stronghold' at Marsland, Devon

Small pearl-bordered fritillary butterfly (Pic: Chris Root/Devon Wildlife Trust) Numbers of the small pearl-bordered fritillary have increased at Marsland, unlike at many other sites

Related Stories

A nature reserve has become a stronghold for two rare butterflies, a wildlife trust has said.

In the 1980s a "handful" of small pearl-bordered fritillary and pearl-bordered fritillary butterflies were found at Marsland in Devon.

However, in the past 20 years numbers have increased, "bucking the national trend", said Devon Wildlife Trust.

Butterfly Conservation said across the UK both species had declined by more than 50% since the 1970s.

Pearl-bordered fritillary (Pic: Nick Edge) Adult pearl-bordered fritillary butterflies feed primarily on the nectar of blue bugle plants

More than 200 individuals of each species have been recorded this summer, with a similar number counted in 2013 and more than 600 in 2012.

Stephen Hussey, from the trust, said land management had helped increase numbers but he was unsure what had caused the population explosion in 2012.

He said that "one of the UK's greatest concentrations of both species" were present at the site.

"Because of habitat loss both species have seen falling ranges and populations and are now absent from large areas of the UK," he added.

Richard Fox, from Butterfly Conservation, said the pearl-bordered fritillary was "one of our rarest butterflies" and since the 1970s the UK population had declined by 71%.

"The species is pretty much lost from the whole of the east of England and the Midlands and it continues to fall."

Mr Fox said the UK population of the small pearl-bordered fritillary had declined by 56% since the 1970s and was found only in Scotland, Wales and the west of England.

Marsland Marsland nature reserve is close to the Devon and Cornwall border

More on This Story

Related Stories

The BBC is not responsible for the content of external Internet sites

BBC Devon



Min. Night 4 °C


  • Mukesh SinghNo remorse

    Delhi bus rapist says victim shouldn't have fought back

  • Aimen DeanI spied

    The founder member of al-Qaeda who worked for MI6

  • Before and after shotsPerfect body

    Just how reliable are 'before and after' photos?

  • Woman with closed eyeStrange light show

    What do you see when you close your eyes?

  • Sony WalkmanLost ideas

    What has happened to Japan's inventors?

Try our new site and tell us what you think. Learn more
Take me there

Copyright © 2015 BBC. The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.