Phloeotribus pruni (Coleoptera: Scolytidae) associated with peach (Prunus persica) collapse in Coatepec de Harinas, State of Mexico, Mexico
Keywords:
Peach collapse, ascending branch necrosis, tree decline, tree deathAbstract
Phloeotribus pruni Wood (Coleoptera: Scolytidae) is reported for the first time associated with the collapse of peach (Prunus persica) trees in Coatepec de Harinas, State of Mexico, Mexico. One hundred percent incidence of collapsed trees was found in a 2 ha peach orchard. In 10 trees sampled, a mean number of 3.3 adults and 4 larvae per 25 cm2 of bark were found. Trees died 12 to 18 months after the onset of symptoms. The 100% incidence of attacked trees, and the tree death 12 to 18 months after the first detection of the insect, point out the importance of this pest.
Sumario
Se informa por primera vez la asociación de Phloeotribus pruni Wood (Coleoptera: Scolytidae) con el colapso de los árboles de Durazno (Prunus persica: Rosaceae) en Coatepec de Harinas, Estado de México, México. Se encontró una incidencia del cien por ciento de árboles colapsados en un huerto de 2 hectáreas de melocotones. En 10 árboles muestreados, se encontró un promedio de 3.3 adultos y 4 larvas por cada 25 cm2 de corteza. Los árboles murieron 12-18 meses después de la aparición de los síntomas. El 100% de incidencia de árboles atacados y la muerte del árbol 12 para 18 meses después de la primera detección del insecto señalan la importancia de esta plaga.
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