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Highways England working to save rarest ant from extinction

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Staff Writer | October 10, 2018
narrow-headed ant
Britain   The nests are nestled on a lush A38 verge

The narrow-headed ant is England’s rarest ant, with the only English population remaining on a small nature reserve run by the Devon Wildlife Trust and the A38 trunk road verge near Chudleigh Knighton.

Highly territorial, this rare woodland creature might be tiny at 10-12mm long but has big importance to the entire ecosystem with the seeds of many plants dependent upon them in areas of newly regenerating forest.

The nests, which can contain several queens and up to 1,000 worker ants, are nestled on a lush A38 verge and adjoining land. "We’ve joined forces with Devon Wildlife Trust and charity Buglife to try and secure a future for these miniature heroes in the UK’s ecosystem."

Highways England ecologist Leo Gubert said: "People might think it strange that a road authority would get involved in the survival of a rare ant but they are so endangered every nest counts.

"We carry out regular surveys at the nest sites and have an ongoing habitat management plan including scrub and grass clearance as these ants are very particular about where they live.

As more areas of wildlife habitat are lost a wide variety of insects, plant and mammals are finding a safe haven on our roadside verges and by ensuring our network is as wildlife friendly as possible and by enhancing habitats alongside our roads, we might, ultimately, be able to contribute to the halt of biodiversity loss in the UK."

"In the South West, we’re working with partners including Devon Wildlife Trust, Buglife and Natural England on the ‘Back from the Brink Project’. The aim is to conserve and enhance the overall status of narrow-headed ants as part of an overarching project to save 20 species from extinction and benefit over 200 more throughout England," Highways England says.

You can identify the Narrow-headed ant by the deep notch at the back of its head.

The narrow-headed ant lives at woodland edges, heathlands and open areas within forests, and is associated with areas of forest regeneration.

High territorial narrow-headed ants stalk other invertebrates, and will cooperate to take prey larger than themselves.

When attacking prey or if threatened, they have a secret weapon – acid! A gland in their abdomen produces formic acid, which they can fire up to 10cm, with great accuracy.

They have also been known to jump on the backs of other species of ants and rip their heads off.

This ant once lived throughout the UK, including the New Forest, Dorset, the Isle of Wight and Cornwall.


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