Pest identification
What's eating my acer palmatum 'butterfly'?
Aphids
Signs: Colonies on young shoots and cream-edged leaves; sticky honeydew mars the ornamental variegation; sooty mould follows
Control: Treat immediately with insecticidal soap or neem oil; encourage aphid predators; avoid excessive nitrogen fertiliser
Scale insects
Signs: Waxy oval scales cluster on stems; persistent infestation reduces vigour and causes die-back
Control: Scrape off scales; apply winter wash or horticultural oil; systemic insecticide for heavy infestations
Vine weevil (Otiorhynchus sulcatus)
Signs: Root destruction in containers causing sudden wilting; characteristic notching of leaf margins by adults
Control: Apply nematodes in late summer; incorporate vine weevil controls when repotting; check root ball annually
Keep acer palmatum 'butterfly' pest-free
Healthy plants resist pests best. Get the basics right:
Acer palmatum 'Butterfly' pests — FAQ
What is eating my acer palmatum 'butterfly'?
Acer palmatum 'Butterfly' attracts aphids to its variegated shoot tips in spring and is susceptible to scale insects on stems. Vine weevil is a significant risk in pots. The delicate cream-and-green variegation shows honeydew damage especially clearly. Aphids are the most commonly reported pest and should be treated at first sight.
How do I get rid of aphids on acer palmatum 'butterfly'?
Colonies on young shoots and cream-edged leaves; sticky honeydew mars the ornamental variegation; sooty mould follows Treat immediately with insecticidal soap or neem oil; encourage aphid predators; avoid excessive nitrogen fertiliser
How do I get rid of scale insects on acer palmatum 'butterfly'?
Waxy oval scales cluster on stems; persistent infestation reduces vigour and causes die-back Scrape off scales; apply winter wash or horticultural oil; systemic insecticide for heavy infestations
How do I get rid of vine weevil (otiorhynchus sulcatus) on acer palmatum 'butterfly'?
Root destruction in containers causing sudden wilting; characteristic notching of leaf margins by adults Apply nematodes in late summer; incorporate vine weevil controls when repotting; check root ball annually