Author 'Boucher Marc dit de Meilh' (Id 189977 ) : Bubble on stem, or 'spit of the cuckoo' which means that many insects larvae of the beetles to shelter, protect themselves, build their lives quietly hiding in bubbles and even a 'foam' of mucus. It was here before any of getting the most 'aesthetic' of this photograph. I have come to the right result ?... it is something else. Ph : Marc de Meilhan Butcher.