The Wildlife Information Centre

Biological data for south-east and part of central Scotland

Bog Pondweed (Potamogeton polygonifolius)
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Recording Day at Roslin Glen - Saturday 2nd May 2009

The first of the recording days this year was held on May 2nd in Roslin Glen. Saturday turned into a lovely sunny day and the scenery was beautiful.

We already knew that much of the woodland was ancient but if we hadn't there were plants to suggest it, e.g. Dog's Mercury (Mercurialis perennis), Pendulous Sedge (Carex pendula), Sanicle (Sanicula europaea) and mature bushes of Holly (Ilex aquifolium).

Roslin Glen
The millipede Glomeris marginata

It may look a bit like a woodlouse, but this is a millipede (Glomeris marginata).

There were many flies about, large and small. This is one of the larger of the craneflies (Tipula sp.) resting on the leaf of a stinging nettle.

A Cranefly (Tipula sp)
A hairy snail (Trichia hispida)

The hairy snail, Trichia hispida (=Trochulus hispidus)

The rich variety of species in Compartment 2 was especially pleasing. Along the steep slopes of Compartment 3 large areas of ground were covered by Great Woodrush (Luzula sylvatica), but we found other species too.

It was a delight to see the intense blue of genuine bluebells (Hyacinthoides non-scripta), which looked unadulterated by Spanish influences. It was also pleasing to see Wood Stitchwort (Stellaria nemorum), Wood Speedwell (Veronica montana) and Sessile Oak (Quercus petraea).

Roslin Glen
Red Admiral butterfly

Several butterflies were about including the Red Admiral pictured here, Orange Tip and Green-veined White.

A dung fly (Scathophagidae) resting in the sunlight.

A dungfly (Scathophagidae)
Roslin Glen

The River North Esk in Roslin Glen.

A stonefly newly emerged from the river (Perlodidae).

Stonefly (Perlodidae)
A horsetail (Equisetum telmateia)

The Great Horsetail (Equisetum temateia) was sending out clouds of spores from these spikes ('cones') that appear well before the green stems.

There were two less welcome species: Japanese Knotweed (Fallopia japonica) in Compartment 1 and Rhododendron (Rhododendron ponticum) in Compartment 2.

Several hoverflies were about including lots of the bee-mimic, Eristalis pertinax, hovering at about eye-level as they defend their territories. The picture is of a couple of the smallest of the British hoverflies (Neoascia podagrica), flying in abundance amongst the vegetation in a wet flush in a woodland clearing.

A pair of very small hoverflies, (Neoascia podagrica)

There are still some records to come, but so far we have received 356 records of 191 species including 165 vascular plants and 21 birds (inc. four warblers, sparrowhawk and dipper).

Notes by Barbara Sumner, Bob Saville and Colin Legg.

For further information about recording meetings email: info@wildlifeinformation.co.uk

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