37a (35). Pronotum with an isolated wavy line parallel to and near posterior margin; pronotal collar withsparsely distributed punctures anterio-laterally with interspaces smooth, border rounded anteriorly (Figs. A & B); length of gena equal to length of eye (Fig. C); malar groove (= sulcus) distinct (Fig. D); 7-10 dorsal ridges on abdominal petiole, longitudinally arranged; lateral hairs rare (not more than 2 on each side if present) (Figs. E & F); avg. length of female 2.57 mm, male 2.06 mm; New Zealand race avg. ca. 1.1 mm larger; [distribution cosmopolitan]……………………………………… ………………...............….(Chalcidoidea) - Pteromalidae - Spalangia endius Walker

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 37b. Pronotum without an isolated wavy line parallel to and near posterior margin (Fig. A); gena shorter thanlength of eye (Figs. A & B); dorsal ridges on abdominal petiole irregularly arranged, lateral hairs absent (Fig. C); avg. length of female 3.5 mm, male 2.8 mm; general appearance (Fig. D); [distribution Europe, Central Asia, Lebanon & North America]....(Chalcidoidea) - Pteromalidae - Spalangia nigripes Curtis

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