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Subject: Potential introduction of fruit fly pest of guava from Mexico and Central America
Date posted: March 01, 2002
Source: University of Florida Featured Creatures
Anastrepha striata is one of the most widespread species of fruit flies throughout most of its range, which includes parts of Mexico, Central America, parts of South America, and Trinidad. In the early 1990's, specimens of A. striata were collected from southern Texas and California, though a population was never established. The preferred host for this dipteran is guava (Psidium guajava), though others such as mango (Mangifera indica), avocado (Persea americana), and peach (Prunus persica) are known. The larvae of A. striata feed inside the fruit, presenting a potential threat to tropical and subtropical fruit tree producing regions in North America.

See http://creatures.ifas.ufl.edu/fruit/tropical/a_striata.htm for more information