296a (295b). Antennal sockets situated on lower margin of head (Fig.A-B), overhanging the

mouth; antenna 1171, (= with 7 funicular segments but no ring segments); head

prognathous (= projecting forward) or almost; abdomen on distinct petiole; marginal

vein very long, stigmal and postmarginal veins short. ........................................……...................... 297

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A B

296b. Sockets located at least slightly above mouth margin; antennal formula usually different

or venation different....................................................................................……................................... .298