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Stag Beetle Larva Stridulating

The Stag Beetle is the largest beetle in the UK and is found on the south east of the country. The larvae live in decaying wood and are known to make deliberate sounds (stridulation) by rubbing their middle and hind legs together. It is not known why they make this sound. The recording was made with a custom-built contact microphone.

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Most tenacious

Most tenacious: Brook Dun mayfly larvaeĀ can cling on smooth stonesĀ in fast flowing freshwater.

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