noun
- plural of psylla; small jumping plant lice that feed on plant sap
Usage: entomology; technical
Examples
- The psyllas caused significant damage to the citrus trees.
- Researchers studied the life cycle of various psyllas species.
- The gardener noticed psyllas on the leaves of his fruit trees.
- Biological control agents help manage psyllas populations.
- These psyllas are known vectors of plant diseases.
- The orchard was treated to reduce psyllas infestations.