咖啡果小蠹於咖啡果實內之齡期組成與防治藥劑之室內藥效評估

Abstract

咖啡果小蠹 [Hypothenemus hampei (Ferrari)] 是危害全球咖啡生產最嚴重的害蟲，近年來入侵台灣造成咖啡生產嚴重損害，本研究進行咖啡果小蠹於果實內之齡期發生結構調查及藥劑篩選試驗。咖啡果小蠹於果實內，可以同時發現卵、1 齡幼蟲、2 齡幼蟲、前蛹、蛹及雌雄成蟲，雌雄成蟲比率非常懸殊，為13 : 1。 Coffee berry borer (Scolytidae: Hypothenemus hampei) is the most destructive pest in coffee industry worldwide. Recently the pest was as an in Taiwan and caused severe economic loss in planted areas. In this study, the composition of different development stages of the pest in coffee berries and control efficacy with different insecticides were investigated by direct spraying and fruit dipping methods. The all stages of coffee berry borer were found in the same infested berry and the female to male sex ratio was 13 : 1.