| Entomophthora muscae |
 |
 |
| Aekingerzand, the Netherlands; 15 July 2012. | |
| Cordyceps militaris |
| Nederlands | : | Rupsendoder |
| English | : | scarlet caterpillarclub |
 |
 |
| Amsterdamse Waterleidingduinen, the Netherlands; 1 November 2015. |
|
The orange structure is the fruiting body of a fungus that developed on the caterpillar or pupa of a moth. Belowground, the insect has been devoured by the fungus, which now produces its fruiting body to produce spores for dispersal. |