Pest identification
What's eating my sweet cherry 'sunburst'?
Birds (starlings, blackbirds, house sparrows)
Signs: Ripe cherries stripped rapidly from the tree; Sunburst's large fruit is particularly attractive — a whole crop can be lost in a day
Control: Net the tree with fine netting before fruit turns pink; reflective flash tape around the perimeter as backup; harvest ripe fruit promptly
Black cherry aphid
Signs: Tightly curled, stunted shoot tips with dense black aphid colonies; honeydew drips onto fruit and foliage below causing sooty mould
Control: Pinch out infested shoot tips if practical; spray with insecticidal soap or pyrethrin; winter plant-oil wash to smother overwintering eggs on bark
Cherry slug sawfly
Signs: Olive-green slimy larvae graze upper leaf surfaces leaving a see-through, brown-papery skeleton; cosmetic but weakens the tree if repeated
Control: Apply wood ash or diatomaceous earth dust; pyrethrin spray in the evening; second generation in August can be more numerous than the first
Wasps
Signs: Ripe Sunburst cherries (July) pierced and excavated; wasp damage accelerates brown rot spread through the canopy
Control: Hang commercial wasp traps nearby from early July; remove damaged and fallen fruit promptly; fine netting can exclude wasps as well as birds
Keep sweet cherry 'sunburst' pest-free
Healthy plants resist pests best. Get the basics right:
Sweet Cherry 'Sunburst' pests — FAQ
What is eating my sweet cherry 'sunburst'?
Sunburst cherries share the same pest threats as other sweet cherries. Birds are the dominant threat to ripe fruit. Black cherry aphid colonises shoot tips in spring. Cherry slug sawfly disfigures foliage in summer. Sunburst's large, dark-red fruit is especially attractive to wasps and starlings as it ripens in July.
How do I get rid of birds (starlings, blackbirds, house sparrows) on sweet cherry 'sunburst'?
Ripe cherries stripped rapidly from the tree; Sunburst's large fruit is particularly attractive — a whole crop can be lost in a day Net the tree with fine netting before fruit turns pink; reflective flash tape around the perimeter as backup; harvest ripe fruit promptly
How do I get rid of black cherry aphid on sweet cherry 'sunburst'?
Tightly curled, stunted shoot tips with dense black aphid colonies; honeydew drips onto fruit and foliage below causing sooty mould Pinch out infested shoot tips if practical; spray with insecticidal soap or pyrethrin; winter plant-oil wash to smother overwintering eggs on bark
How do I get rid of cherry slug sawfly on sweet cherry 'sunburst'?
Olive-green slimy larvae graze upper leaf surfaces leaving a see-through, brown-papery skeleton; cosmetic but weakens the tree if repeated Apply wood ash or diatomaceous earth dust; pyrethrin spray in the evening; second generation in August can be more numerous than the first
How do I get rid of wasps on sweet cherry 'sunburst'?
Ripe Sunburst cherries (July) pierced and excavated; wasp damage accelerates brown rot spread through the canopy Hang commercial wasp traps nearby from early July; remove damaged and fallen fruit promptly; fine netting can exclude wasps as well as birds