Pest identification
What's eating my laceleaf japanese maple 'crimson queen'?
Aphids
Signs: Clusters of small insects on new growth cause leaf curl, sticky honeydew, and sooty mold
Control: Blast off with a strong water jet; apply insecticidal soap or neem oil; encourage ladybugs
Japanese Beetle
Signs: Skeletonized leaves with only veins remaining, damage worst mid-summer
Control: Hand-pick beetles in early morning; apply beneficial nematodes to lawn to target grubs; avoid pheromone traps near the tree
Scale (Cottony Maple Scale)
Signs: White cottony masses on stems and branch undersides; yellowing leaves and dieback
Control: Apply horticultural oil in late winter or early spring; scrape off visible scale; systemic imidacloprid for heavy infestations
Deer
Signs: Browsed or stripped young shoots and bark, especially in winter when food is scarce
Control: Wrap trunks in winter; use deer repellent sprays; install fencing around young specimens
Keep laceleaf japanese maple 'crimson queen' pest-free
Healthy plants resist pests best. Get the basics right:
- What eats japanese maple — the species this cultivar belongs to
- What's wrong with my plant? — the diagnosis apps compared
- Common laceleaf japanese maple 'crimson queen' problems & fixes
- Laceleaf Japanese Maple 'Crimson Queen' watering schedule
- Laceleaf Japanese Maple 'Crimson Queen' light requirements
- Full laceleaf japanese maple 'crimson queen' care guide
Laceleaf Japanese Maple 'Crimson Queen' pests — FAQ
What is eating my laceleaf japanese maple 'crimson queen'?
Japanese Maples like 'Crimson Queen' are targeted by aphids, scale insects, and Japanese beetles outdoors. Aphids cluster under leaves causing curl and sticky honeydew; beetles skeletonize foliage. Deer and rabbits can browse young stems in winter. Vigilance in spring when new growth flushes is your best defense.
How do I get rid of aphids on laceleaf japanese maple 'crimson queen'?
Clusters of small insects on new growth cause leaf curl, sticky honeydew, and sooty mold Blast off with a strong water jet; apply insecticidal soap or neem oil; encourage ladybugs
How do I get rid of japanese beetle on laceleaf japanese maple 'crimson queen'?
Skeletonized leaves with only veins remaining, damage worst mid-summer Hand-pick beetles in early morning; apply beneficial nematodes to lawn to target grubs; avoid pheromone traps near the tree
How do I get rid of scale (cottony maple scale) on laceleaf japanese maple 'crimson queen'?
White cottony masses on stems and branch undersides; yellowing leaves and dieback Apply horticultural oil in late winter or early spring; scrape off visible scale; systemic imidacloprid for heavy infestations
How do I get rid of deer on laceleaf japanese maple 'crimson queen'?
Browsed or stripped young shoots and bark, especially in winter when food is scarce Wrap trunks in winter; use deer repellent sprays; install fencing around young specimens