138a
(137a).    Abdomen sharply margined at
sides.............................................................................
....
139 
 
 
138b.    Abdomen rounded laterally; marginal vein usually stigmated (Fig.A) (parasitoids of 
insects 
             in several orders
.
...............
..
.(Hymenoptera) (Ceraphronoidea) Ceraphronidae
 
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                                  A