It's a specialist feeder on snails, with a long narrow head that fits comfortably inside a snail shell opening. Apparently it bites the snail first, with poisonous fangs, causing the snail to withdraw into the shell and secrete bubbles of mucus, which the beetle chews through when it forces its way in to feed on its victim. There's no shortage of Cepaea snails on the dunes for it to feed on. You can see it in action by clicking here and clicking here
Sounds like the kind of beetle I could do with in my garden, to combat the snail menace.
There aren't many insects about yet, as the promised spring has yet to deliver much warmth, but this is a beetle species that's most often seen in late winter and very early spring.
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