BIOLOGlA DEL BARRENADOR DE SEMILLAS DE CONIFERAS Cydia miscitata Heinrich EN LA SIERRA DE SAN PEDRO MARTIR, BAJA CALIFORNlA
Abstract
El contenido del presente trabajo, es resultado de un estudio realizado sobre Cydia miscitata 1-Ieinrick, insecto que se alimenta de las semillas de pino jeffreyi y pino ponderosa,en la Sierra de San Pedro Mártir. El objetivo de este estudio fue conocer los hábitos de este insecto y estimar el grado de infestación. El insecto presenta una generación anual; el adulto se presenta de abril a mayo, el período larval es desarrollado de mayo hasta el mes de abril del año siguiente. Los daños son ocasionados exclusivamente a semillas, siendo los mayores en las tres (1ltimas semanas de julio. El grado mínimo de infestación fue de 52%:
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