The pest is reportedly just 20 kilometres from PNG's border with Indonesia and has the potential to destroy the majority of coffee crops.

Papua New Guinea's multi-million dollar cocoa industry is under threat, with the discovery of a disease that may force an entire province to destroy this year's crop.

Also on show, the biggest name in PNG art since independence and a favourite of - and collected by - the Queen, the late Mathias Kauage OBE. “Kauage.