The genus Platyscelidris was known from only a single specimen collected in Tanzania early in the 20th Century. Discovery of a new species from Madagascar has resulted in a substantial revision of the limits of this genus and its transfer from the Gryonini to Scelionini sensu Austin & Field.
Phanuromyia, previously thought to be an endemic Australian species, is revised and now includes species from around the world. The long exserted ovipositor is only a supplemental character for its identification. The hosts all appear to be members of the Auchenorrhyncha (Hemiptera). The genus is distinguished from the cosmopolitan Trissolcus and Telenomus by it sculptured frons, lack of notauli, and reflexed malar carina.
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