23a (22). Fore wing with basal 1/2 of marginal vein wider than distal 1/2 (Fig. A); female antennae with one anellus (= ring-like segment) (Fig. B); female hind leg with 2 tibial spurs (Fig. C); maleantennal pedicel shorter than 1st funicular segment (Fig. D); eyes glabrous; male hind leg with 1-2 tibial spurs; propodeum with median folds or plicae branched sublaterally (Fig. E); general appearance adult (Fig. F) and male digitus (Fig. G); solitary or gregarious ectophagous pupal parasitoids inside host puparium .......(Chalcidoidea) - Pteromalidae -..........................................................................................................................................................................................................Muscidifurax spp.........25

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23b. Fore wing with marginal vein of same width for entire length (Fig. A); female antennae with 2 anelli (Fig. B); female hind leg with one tibial spur; pedicel of male antennae longer than 1st funicular segment; male hind leg with one tibial spur; propodeum with median folds usually lacking sublateral branches (Fig. C) ...............................................................................................................................................................24

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