propodeum without median triangular area; scutellum (sc) not transverse (anterior, posterior sides not parallel); axillae (ax) distinct from scutellum, rarely meeting medially; club of antenna almost always segmented (a few spp. here have antennae like signiphorids).

Aphelinidae
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1.
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2.Marietta picta
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3.Aphelinus mali
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4.Coccophagus scutellaris