124a (123a).    Largest segment of abdomen (side view) tergites 2 or 3 and never more than one

                       short tergite in front of the largest tergite.................................................................................. 125

 

 

124b.    Largest segment of abdomen (side view) tergites 4, 5 or 6, with at least 2, 3 or 4 short

tergites behind petiole and preceding the largest tergite; abdomen very compressed laterally;

ovipositor curved under "membranous flap" (Fig.A) (parasitoids of sawflies

in family Siricidae).........................……....................................( Hymenoptera)  (Cynipoidea)  Ibaliidae

 

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                                 A