Zoltan Nagy / Moth infected with parasitic fungus (Cordyceps sp) in small cave, Apuseni Mountains, Carpathian Mountain Range, Romania. November

Adrian Davies / Coral Spot Fungus (Nectria cinnabarina) on branch, England

Adrian Davies / Coral Spot Fungus (Nectria cinnabarina) on branch, England

Juergen Freund / Dead ant (Formicidae sp) infected by Ophiocordyceps fungus. Tanjung Puting National Park, Borneo, Central Kalimantan, Indonesia

Enrique Lopez-Tapia / Yartsagumbu (Cordyceps sinensis) or Caterpillar fungus in English, known as Himalayan gold, sold dried with its parasitised caterpillar of Ghost moth (Hepialus humuli), which has high monetary value i...

Roman Willi / Caterpillar infected by Cordyceps fungus, Osa Peninsula, Costa Rica.

Roman Willi / Moth (Lepidoptera) infected by Cordyceps fungus Osa Peninsula, Costa Rica.

Doug Wechsler / Parasitic fungus (Akanthomyces aculeatus) covering a moth (Lepidoptera), Pennsylvania, USA. September.

Nigel Cattlin / Whitehead / Blank ear disease in green ear of Wheat (Triticum aestivum) crop, caused by Fusarium foot rot (Fusarium sp.). June.

Nigel Cattlin / Fusarium footrot (Fusarium culmorum) mycelium, red purple sporodochia and damage to stem base of a mature Wheat (Triticum aestivum) plant.

Nigel Cattlin / Fusarium foot rot (Fusarium culmorum) mycelium, orange sporodochia and damage to stem base of a mature Wheat (Triticum aestivum) plant.

Nick Upton / Milkcap mushroom (Russulaceae sp.) infected with another fungus (Hypomyces lateritius) which leads to fused gills, Oxwich Burrows nature reserve, Wales, UK, October.