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Revista de Ciencias Agrícolas
Print version ISSN 0120-0135
Abstract
SAAVEDRA-DIAZ, Jeferson; GALEANO-OLAYA, Pedro Edgar and CANAL D, Nelson Augusto. Ecologic relationships among host fruits, frugivorous flies and parasitoids in a fragment of tropical dry forest. Rev. Cienc. Agr. [online]. 2017, vol.34, n.1, pp.32-49. ISSN 0120-0135. https://doi.org/10.22267/rcia.173401.61.
Fruit flies (Tephritoidea: Tephritidae and Lonchaeidae) are one of the main worldwide pests of fruit growing. The knowledge of the interactions presenting frugivorous flies with their host plants and parasitoids is necessary in order to develop integrated pest management programs. The aim of this study was to describe the tritrophics relationship (host plants, frugivorous flies and parasitoids) in a patch of dry tropical forest in the Centro Universitario Regional del Norte, Armero-Guayabal, Tolima, Colombia. Fruits of 35 plant species were collected. The fruits were transported to the laboratory and were dispossed individually for subsequent pupation and the emergence of flies and / or parasitoids. 2,940 larvae were recovered from fruits of 15 plant species; adults of six species of Tephritidae (five Anastrepha and Toxotrypana curvicauda) and eight of Lonchaeidae (six Neosilba and two Lonchaea) were obtained. Tephritids were the most abundant and caused the highest percentages of damage (0 to 83.31%) and infestation rates (0 to 10.32 larvae / fruit and 0 to 463.37 larvae/kg fruit), and Lonchaeids were the most polyphagous infesting 12 host plants. Both families shared hosts and cohabiting the same fruit. Sympatric species of Anastrepha neither share their host plants nor cohabit the same fruit; species of Neosilba share hosts and fruits. Five species of parasitoids were collected. New records and associations of host plants, frugivorous flies and parasitoids are presented for Colombia
Keywords : Tephritidae; Lonchaeidae; parasitism; biodiversity; ecology.