Exophthalmus cupreipes Champion (Coleoptera: Curculionidae) in citrus crops in Mexico
Abstract
Exophthalmus cupreipes Champion (Coleoptera: Curculionidae) adult weevils were detected feeding on young leaves and shoots of Persian limes (Citrus latifolia [Tanaka ex Yu. Tanaka] Tanaka; Rutaceae) in commercial plantations in the states of Veracruz and Tabasco, Mexico. Weevil damage to foliage is apparently not significant enough to cause production losses. However, there are reports of related species included in the Exophthalmus genus complex that are considered primary pests of agriculturally important citruses. This study complements the original description by Champion (1911) for adults of both sexes, and provides images of external and internal structures useful for its identification. Moreover, field observations of damage on citrus are presented, and the potential importance as a pest is discussed.
Resumen
Se detectaron adultos de Exophthalmus cupreipes Champion (Coleoptera: Curculionidae) alimentándose de hojas jóvenes y brotes de limón persa (Citrus latifolia [Tanaka ex Yu. Tanaka] Tanaka; Rutaceae), en plantaciones comerciales de los estados de Veracruz y Tabasco, México. Aparentemente, el daño ocasionado por la alimentación de los picudos en follaje no es significativa para ocasionar pérdidas en la producción, sin embargo, existen reportes de especies incluídas en el complejo de especies del género Exophthalmus consideradas plagas primarias de cítricos de importancia agrícola. El presente estudio complementa la descripción original de Champion (1911) para ambos sexos de adultos y provee imágenes de estructuras internas y externas útiles para su identificación. Del mismo modo, se reportan observaciones del daño en cítricos y se discute su potencial como plaga de importancia en este cultivo.
Key Words: citrus green weevil; broad nosed weevil; Exophthalmus genus complex
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