Inventario preliminar de parasitoides asociados a mosca de la fruta en cultivos frutales y plantas silvestres en la microcuenca del río Magdalena

Abstract

The fruit flies are pests of the great economic importance for the losses in fruit crops. An inventory of parasitoids associated with fruit flies was made in the micro-basin of River Magdalena Bulán and Algarrobo Paute, during the season of harvest of the species hosts of fruit flies considered in this work, from may, 2015 to march, 2016. A total of weighing 489,54 kg of fruits was collected, 1572 adults of fruit flies were recovered, Anastrepha fraterculus Wied., Anastrepha distincta Greene., Anastrepha obliqua Macquart y Ceratitis capitata Wied. and in this study find a parasitoid of the family Braconidae, Doryctobracon crawfordi Viereck, with an irregular distribution in the area studied. The parasitism rate was low 0,20% (Prunus pérsica L., 1,88% Psidium guajava L. and 2,05 Annona cherimolia Mill. The most common specie of fruit flies in the area zone is Anastrepha fraterculus Wied. 60,88% with a widely distribution. The Shannon – Weaver index in the zone was 1,64