274a (273b).    Scutellum posterior without triangular "projection" and with parallel dorsal

 grooves; ovipositor often protruding (Fig.A).......................................................................

...................................................................................... Pteromalidae  (Colotrechninae).... .[also see 294]

 

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                                       A

 

274b.    Scutellum posterior with triangular "projection" (is part of metanotum) and without apparent dorsal

grooves; scapula extends backwards outside the rectangular outer corner of axilla, axilla 2X as long

as broad; mid tarsus with 4 segments, unusually long (Fig.A), first segment as long as rest; prepectus

unusually small ........................................................... Pteromalidae  (Macromesinae).... .[also see 294]

 

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                                       A