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Amelanchier leaves skeletonized

CambridgeGreenCambridgeGreen Posts: 11
in Problem solving
Something is happening to our amelanchier tree, the leaves are turning into skeletons! I found a couple of weird slug type grub things on the leaves too, one yellowy brown one and a black one. Does anyone know what this is and how I can help it recover?
thanks so much 

Posts

  • PianoplayerPianoplayer Posts: 624
    Hi - it looks like the damage caused by saw fly caterpillars, but I don't know if there are specific ones for Amelanchier.
  • coccinellacoccinella Posts: 1,428
    I am no expert but if the black insect on your picture has a creamy yellow on the underside it may be a  a willow leaf beetle. The damage is caused by the larvae which graze away part of the leaf surface causing the remaining tissue to dry up and turn brown or white. The garden centre might sell you a specific insecticide or try and remove them by hand. I think the tree should survive it. 

    Luxembourg
  • coccinellacoccinella Posts: 1,428
    Here's a link (US).

    https://bygl.osu.edu/index.php/node/405


    Luxembourg
  • CambridgeGreenCambridgeGreen Posts: 11
    Thanks @Pianoplayer I’ll have a look for something to get rid of them gently, I’ve picked off the grubs that I can see too
  • CambridgeGreenCambridgeGreen Posts: 11
    coccinella said:
    I am no expert but if the black insect on your picture has a creamy yellow on the underside it may be a  a willow leaf beetle. The damage is caused by the larvae which graze away part of the leaf surface causing the remaining tissue to dry up and turn brown or white. The garden centre might sell you a specific insecticide or try and remove them by hand. I think the tree should survive it. 
    Thanks so much @coccinella , I’ll head to the garden centre now! ☺️
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