By Bobcat
United Kingdom 
Hi. Can anyone identify this problem on our elder?
4 Jul, 2018
Answers
My elder is probably 10 foot high so if your one is large then a systemic insecticide will do the trick.
5 Jul, 2018
Leaf miner. Not a great problem,just rather unsightly. Remove affected leaves if it annoys you.
4 Jul, 2018