- Category: Pest sheets
Grapholita (Cydia) molesta
ORIENTAL FRUIT MOTH
POLILLA ORIENTAL DEL MELOCOTONERO
- It mainly affects stone fruit trees, such as peach trees, nectarines and other peach fruits' type. Other hosts species can be almond trees, apricot trees, cherry trees and loquats.
- It can affect seed fruits which are cultivated next to the previous ones, such as apple trees or pear trees.
- The damages are produced in the growing shoots, noticing the withering and the posterior draining of the tips, accompanied by gummosis. It is necessary to protect cultivated fields in process and nursery.
- In the fruits you can see tiny attacks in the stem areas produced by new-born larvae, or bigger injuries with frequent gum exudations in any part of the fruit, produced by evolved larvae which come from the shoots.
- The larvae move towards the stone fruit, where they carry out the whole larvae evolution.
- The entry points favour the setting of the Monilia sp. fungus which spoils the fruit.
- Usually there are five generations per year, from March until October, getting overlap the three last generations.
- Pest monitoring by pheromones is a key to determinate the correct timing decision to carry out phytosanitary treatments, always with authorized phytosanitary products in accordance with current legislation in a rational way.
- The management of this pest by sexual confusion techniques with pheromones is very effective.