Two species of opiine Braconidae, reared from fruit-infesting Tephritidae in Kenya, are described. Psyttalia masneri sp. n. was reared from fruits of Dracaena fragrans (L.) Ker Gawl. (Liliaceae) infested with Taomyia marshalli Bezzi in western Kenya. Psyttalia masneri is the only opiine braconid known to attack members of the genus Taomyia. Unusual morphological features of P. masneri and its host are detailed. Psyttalia halidayi sp. n. was reared from fruits of Lettowianthus stellatus Diels (Annonaceae) infested with Ceratitis rosa Karsch in coastal Kenya. Psyttalia halidayi is morphologically similar to several described species of Psyttalia that have previously been used in the biological control of tephritid pests. Unlike these other species, P. halidayi can attack and successfully develop on C. rosa, a serious pest of cultivated fruits. A list of valid species in Psyttalia is provided, along with comments on species groups and host records.

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