Box Psyllid (Psylla buxi)
Sap-feeding pest of box plants causing cupping and distorted foliage.
Box psyllid (Psylla buxi) attacks Buxus species, feeding on young shoots and causing cupping, distortion and poor growth. Honeydew and sooty mould may also develop. It often occurs alongside box tree moth damage. Biological control options include generalist predators such as Anthocoris and Orius spp., and entomopathogenic fungi, combined with pruning of heavily infested shoots and monitoring.
Biological Controls for Box Psyllid (Psylla buxi)
The species below are examples of beneficial organisms commonly used against box psyllid (psylla buxi). Recommendations are based on published biological control information and practical IPM experience. Always confirm suitability for your crop, growing system and local conditions before use.
Anthocoris nemoralis
Environment: outdoor
Temperature Range: 12.0 – 28.0°C
Rate: As for Psyllid — focus releases on hedges and topiary blocks
Frequency: 1–2 introductions per season
Useful for Buxus psyllid; combine with removal of heavily cupped foliage.
Further BioWiki Reading
For more background on pest biology, beneficial insects and environmental factors, use the BioWiki alongside this practical control guide.
Related Biological Solutions
Growers dealing with box psyllid (psylla buxi) often also monitor these pests as part of a complete IPM programme: