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Unknown insect-caused growth???

Observed: 2nd October 2011 By: msac4
S159 Neighbourhood Nature - current student
msac4’s reputation in Invertebratesmsac4’s reputation in Invertebrates
bugs 2011(b) (42)

2mm - 4mm high perpendicular growths on beech leaves on a young beech tree in urban woodland. Some leaves had four or five of these. The growths were pale at the bottom, green higher up, and were bristly rather than smooth in appearance

Species interactions

No interactions present.

Species with which a gall midge (Hartigiola annulipes) interacts