48a (8, 9, 11, 16, 17). Antennae inserted on middle of face (Fig. A); fore wings without apparent stigma, venation reduced with only a short marginal vein and stigma almost invisible (Fig. B); antennae with <14 segments & inserted in middle of face on small platform (Fig. C); 1st antennal segment longer than next 2 combined; eyes pubescent; femora and apical 1/2 of tibiae swollen (Fig. D); body highly polished black with a few scattered long hairs (Fig. E); size varies with host size; solitary endophagous larval parasitoids......................(Proctotrupoidea) - Diapriidae - Trichopria spp. & Phaenopria spp.

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48b. Antennae inserted close to clypeus; fore wings with obvious stigma.................….........…….....[not parasitic on synanthropic Diptera]