Twenty fruit species representing 12 families were collected from various regions in western Puerto Rico and monitored for the emergence of Anastrepha spp. pupae. We collected 14,154 tephritid pupae from 16 fruit species representing 10 families. The relative infestations of these fruits (pupae per kilogram of fruit) were recorded. Recorded host ranges were not in complete agreement with those reported in the literature. This host-use pattern should give pause to regulators of fruit importation and exportation that base their decisions on literature from regions other than those of immediate interest to them. We recovered the braconid parasitoid Utetes anastrephae (Viereck) from tephritid pupae collected from Mangifera indica L., Spondias mombin L., Psidium guajava L., Chrysobalanus icacos L., Terminalia catappa L., and Garcinia intermedia (Pittier) Hammel. We collected one specimen of the parasitoid Doryctobracon aerolatus (Szepligeti) from the west coast (Añasco), which had not been previously reported in Puerto Rico. We present a preliminary phenology of what are probably the primary fruit hosts of the Anastrepha spp. of Puerto Rico. We also present the first report of Garcinia intermedia (Pittier) Hammel and Coffea arabica L. as reproductive hosts of A. suspensa.
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