Citrus flower moth

The Citrus flower moth (Prays citri) belongs to the order Lepidoptera and the family Yponomeutidae. It is a highly specialized pest that primarily targets citrus trees, causing significant economic damage to both commercial orchards and home gardens worldwide.

The primary hosts of this insect are various citrus species, with a notable preference for lemons and limes. The larvae are particularly destructive during the flowering stage, as they feed on the internal parts of the buds, effectively preventing fruit set and reducing overall orchard yields.

Regarding its biology, the moth completes its life cycle through four distinct stages: egg, larva, pupa, and adult. The females lay eggs on or near the flower buds. Upon hatching, the larvae immediately bore into the buds, creating tunnels where they feed and develop, sheltered from environmental factors and predators.

The damage caused by Prays citri is characterized by the presence of dried, webbed flower clusters that fail to bloom. In addition to damaging the flowers, the larvae may also infest young, tender leaves and the skin of small, developing fruits, leading to premature fruit drop and scarring.

Management strategies focus on integrated pest management (IPM) practices. Key control methods include:

• Pruning and removing infested branches to reduce local population density.
• Using pheromone traps for monitoring and mass trapping of male moths.
• Applying systemic or contact insecticides during the peak of flight activity.
• Encouraging natural biological control agents such as parasitoid wasps that hunt the larvae.

Effective control requires consistent monitoring, especially during the bloom period when the pest is most active. By combining cultural practices with timely chemical or biological interventions, growers can successfully mitigate the impact of this harmful insect.