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Published by Scottish Council for Voluntary Organisations

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Rare species discovered on RSPB reserves

This news post is almost 8 years old
 

​Finds show the extent of biodiversity on charity's land

Two rare beetles have been discovered in Scotland for the first time in decades at RSPB Scotland’s Abernethy nature reserve near Aviemore in the Highlands and near Aberdeen at the charity’s Loch of Strathbeg nature reserve.

The beetle found at Abernethy was a water scavenger beetle called Cryptopleurum subtile (pictured),which was collected and identified during a survey of woody debris along the River Nethy.

This appears to be the most northern ever record of this species in Scotland, and is only the second record for the country, with the first being from a cut grass pile in Melrose in 1969.

The second beetle, found at Loch of Strathbeg, was a whirligig called Gyrinus paykulli, which occurs mainly in lochs and spends a lot of time in reeds and other plants on the edges of the water.

It has two pairs of eyes because it lives on the surface of the water; one pair facing up and one down. It also gathers in groups called flotillas which perform a special dance when disturbed, whizzing around at high speed.

Again, this appears to be the most northern record of this particular beetle in Scotland with previous discoveries being made in Fife and Perthshire, with the most recent noted in 1999.

Both beetles were unearthed by Genevieve Dalley, trainee ecologist at RSPB Scotland. She said: “These beetles may not have been noticed very often in Scotland before as they are part of an under-recorded group of animals and, superficially, look very similar to other species. However, when you get a closer look and start learning about their lifestyle they are unique and brilliant creatures.

“These discoveries really show the importance of habitats which are sometimes undervalued, such as woody dams in rivers. There are less than 20 records of C.subtile in the UK and it is a species very little at all is known about, so information like this is crucial to building a picture of its needs on reserves and pinpointing important habitats to safeguard.”

 

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