Caddisfly larvae show jewellery designers how ‘it’ is done

In 2011 I wrote about a research project I went on in France to investigate how invertebrates can show the level of water pollution in rivers and streams (click here). While I was there, I quickly picked up on the huge diversity of life in rivers, far beyond what we would expect. While searching through one kick sample, I came across a twig which moved and then a little Caddisfly larva emerged – I was fascinated!

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