Caterpillar Fungus

Professor Karl Tsim of HKUST holds up examples of genuine (left) and counterfeit caterpillar fungus. Photo: Dickson Lee

Parasitic caterpillar fungus in decline

Caterpillar fungus, more valuable by weight than gold and famous for its extensive medicinal use in China for thousands of years, is vanishing and may not be available in 10 years' time, according to a recent study supported by the National Geographic Society.