Jeff Blincow's picture

Tree disease

Observed: 11th October 2008 By: Jeff Blincow

Several fluffy growths on tree trunk

  • Unknown (Unknown)
    Confidence: It might be this.
  • Woolly aphid
    Confidence: I'm as sure as I can be.
Species interactions

No interactions present.


Jonathan's picture

What species is the tree?

What species is the tree? Most diseases are fairly host-specific,as are many parasitic insects. Knowing the host is a good starting point for discovering the identity of the parasite.

University of Edinburgh and Biodiversity Observatory (OU)

wek6's picture

Tree disease

Depending on how big they are on the tree, could it be Cottony Scale Insect? They are spreading to many trees in my area (outer London) from their initial fruit tree introduction to this country.