308a (307b).    Second dorsal plate of petiolate abdomen very large, covering
most of dorsum,
             dorsally somewhat fused with the 1st dorsal plate;
head with no temple (Fig.A), gena
             posteriorly produced into a lamina; antenna thick
club, all preclub segments of flagellum
             obviously at right angles to longitudinal axis;
scutellum anteriorly with 2 deep pits
.........................................................................................…..................…...... Pteromalidae  (Asaphinae)
 
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                                                                 A
 
308b.    Second dorsal plate never covering most of abdomen; abdomen
often sessile; temple and
             antenna different;  scutellum without double deep pit at
base.......................…….......................... 309