noun
- a small jumping plant louse that feeds on plant sap and can damage crops
Usage: entomology
Examples
- The psylla infestation caused significant damage to the pear orchard.
- Farmers use beneficial insects to control psylla populations naturally.
- The tiny psylla can be difficult to spot on plant leaves.
- Psylla nymphs secrete honeydew as they feed on plant juices.
- Regular monitoring helps detect psylla outbreaks early in the growing season.