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Moth-hunters prowling the English countryside

By Rowan Hooper

4 September 2013

Âé¶¹´«Ã½. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

(Image: Dan Kitwood/Getty)

A group of amateur lepidopterists, clustering around a lantern, inadvertently mimic the animals they are studying. Their home-made light source uses a mercury-vapour bulb and a piece of white fabric to draw moths into a non-lethal trap.

There are some 2500 species of moth in the UK, and only 60 or so species of butterfly – but they are the ones that get all the love. The UK’s annual , which took place in August in Brill, Buckinghamshire, aims to redress the balance, as well as gather information on the abundance and distribution of moth species.

Moth-hunters prowling the English countryside

(Image: Dan Kitwood/Getty)

Above is one of the species captured, the Jersey tiger moth (thriving in the warmer weather, apparently, perhaps it’s a beneficiary of climate change). It surely rivals any butterfly in attractiveness, and has the added bonus of being a day-flying species. They may be attractive to us, but the vivid colours warn predators to steer clear. The tiger moth is a pharmacophagous species – that is, it eats plants containing bad-tasting chemicals to give itself a defence against would-be predators.

Although the Jersey tiger moth may be thriving, others are suffering because of climate change. The results of the survey – organised by the insectophile groups and – are due later this year and may indicate which species we need to watch out for.

A version of this article appeared in print under the headline “Flight by night”

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