Conifer egg fungus (Cryptoporus volvatus)
Cryptoporus volvatus is a wood rot fungus that aids in the decomposition of conifer trees. When insects (most notably bark beetles) obtain nutrients and shelter from this mushroom, they inevitably acquire its spores and ultimately assist the fungus in spreading to other trees. This relationship is mutually beneficial for the insect and fungus, but sometimes harms otherwise healthy trees.
All images copyright Timothy Boomer. All rights reserved worldwide.