The phenology of <i>Cydia succedana</i> on gorse in Canterbury

Abstract

The phenology of Cydia succedana an introduced seedfeeder of Ulex europaeus was investigated Pheromone traps were set out at McLeans Island Christchurch a warm lowland site and Hinewai Reserve Banks Peninsula a cool upland site to observe the phenology of C succedana at two different altitudes and climatic conditions Moth populations were estimated by the mean number of male moths caught in the traps The phenology of C succedana was synchronised with the first U europaeus flowering in springsummer Significantly more male moths were captured at McLeans Island from October 2002 to February 2003