Common spangle gall wasp
The common spangle gall wasp produces a small, disc-shaped growth, or 'gall', on the undersides of oak leaves. Inside the gall, the larvae of the wasp feed on the host tissues, but cause…
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Chwilio
Guelder-rose
The guelder-rose is a small tree of hedgerows, woods, scrub and wetlands. It displays large, white flowers in summer and red berries in autumn, which feed all kinds of birds, including Bullfinches…
Climate Anxiety and Guilt
The Great Big Green Week runs from 24th September – 2nd October 2022 and is a celebration of community action to tackle climate change and protect nature. However, discussions of climate change…
Knopper gall wasp
The knopper gall wasp produces knobbly red, turning to brown, growths, or 'galls', on the acorns of Pedunculate Oak. Inside the gall, the larvae of the wasp feed on the host tissues, but…
Himalayan Balsam in Gelli Hir Wood
Volunteers in Gelli-Hir Wood begin this year's battle against Himalayan Balsam. The non-native invasive plant has begun its renewed attack on our woodland. On the front line are our…
Cat flea
You are most likely to spot the cat flea if you have pets. It will feed on cats, dogs and people, although it can't live on us. It is a pest and needs to be controlled in the house for the…
Twin-lobed deer-fly
Many of us have felt the painful bite of the twin-lobed deer-fly (a 'horse-fly') while out walking in damp grasses or woods. But mostly, it prefers to feed on the blood of cows and…
Cherry gall wasp
Living up to its name, the cherry gall wasp produces growths, or 'galls', on oak leaves that look like red cherries. Inside the gall the larvae of the wasp feed on the host tissues but…
Saltmarsh and mudflats
Saltwater marshes and mudflats form as saltwater floods swiftly and silently up winding creeks to cover the marsh before retreating again. This process reveals glistening mud teeming with the…
Oak apple gall wasp
Living up to its name, the oak apple gall wasp produces growths, or 'galls', on oak twigs that look like little apples. Inside the gall, the larvae of the wasp feed on the host tissues,…
Sir David Attenborough visits WTSWW's Skomer Island!
The WTSWW and Skomer Island team were absolutely delighted to welcome Sir David Attenborough, his daughter Suzie and Silverback Films to the island in June to film for the exciting new BBC1…
Lakes
Lakes come in many forms: some are splendid and clear, while others are more reminiscent of a murky swamp. Each lake is strongly influenced by the underlying lakebed and the surrounding landscape…