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ANALYTICAL TABLE OF THE GE^ERA. 



Females. 



Wingless 5 



Winged. 



Marginal vein linear 2 



Marginal vein thick, quadrate. 



Wings with a dusky submarginal blotch ("'• (0 Decatoma, Spinola. 



Wings without a dusky submargi;>al blotch (^- (2) Eudecatoma, n. g. 



2. Metathorax much lengthened 4 



Meta thorax not lengthened. 



Mesothorax umbilicate punctate 3 



Mesothorax not umbilicate punctate. 



*Marginal vein not longer than the stigmal, abdomen sub-globose . ' 



G. (3) Systole, Walko . 

 **Marginal vein one and a half times as long as stigmal. abdomen cnnic-ovate. . . . 



G. (5) Xanthosoma, n. g. 

 *''*Marginal vem three limes as long as the stigmal ; abdomen sub-compressed . . . 



G. (6) Rileya, Ashmead. 



3. Postmarginal vein di-tinctly longer thnn stigmal. 



*Marginal vein always distinctly longer than the sligmal. 



Scape equal in length to the first funicle joint G. (7) Bephrata, Cameron. 



Scape much longer than the first funicle joint. 

 a Posterior tibiae with two spurs. 



Parapsidal furrows obliterated posteriorly G. (8) Decatomidea, n. g. 



Parapsidal furrows complete, distinct. 

 b Pedicel much shorter than first funicle joint. . .G. (9) Eurytoma, Illiger. 



bb Pedicel longer or at least as long as the first funicle joint 



G. (10) Eurytomocharis, n. g. 



rt« Posterior tibia; with one spur G. (ii) Phylloxeroxenus, n. g. 



**Marginal vem not longer than the stigmal. 



Abdomen ovate, pointed, compressed G. (12) Bruchophagus, n. g. 



Abdomen sub-globose, fourth segment longest, enclosing the following 



• G. (4) Systolodes, n. g. 

 Postmarginal vein twice as long as the stigmal. 



Abdomen much lengthened, conic-ovate, cylindric, fourth segment as long as all 

 the others together G. (13) Evoxysoma, n. g. 



4. Marginal vein longer than the stigmal. 



Mesothorax more or less umbilicate punctate. 

 Postmarginal vein about same length as stigmal, or slightly longer. 

 Pedicel not longer than the first funicle joint. 



Metathorax sloping, rounded behind G. (14) Isosoma, Walker. 



Metathorax quadrate, abruptly truncate behind 



G. (15) Isosomorpha, n. g. 

 Pedicel longer than the first funicle joint ; mesothorax smooth, polished 



G. (16) Isosomocharis, n. g. 

 Marginal vein not as long as the stigmal. 



Postmarginal much lengthened G. (17) Isosomodes, n. g. 



5. Mesothorax smooth, polished G. (18) Philachyra, Haliday. 



Males. 



Marginal vein linear 2 



Marginal vein thick, quadrate. 



