none The braconid, Biosteres longicaudatus Ashmead, was introduced from Florida and Hawaii (USA) in 1985 and 1986, and attempt to suppress the oriental fruit fly, Dacus dorsalis Hendel. A total of 1,694 females and 212 males was released in Bai-Chi area from January to December 1988. The first recovery of the wasps was obtained in 8 days after the initial release at the release site. No female wasps were recovered from fruit samples until 4 days after the twelfth release.