332 MKMOTRS OF THE CARNEGIR MUSEUM 



Metathorax loiifj and also produced into a subglobose neck at apex ; pronotinn with tlic front margin 

 rounded : botli mandibles 4-dcntate Bubekia Dalla Torre. 



24. Palpi normal 25 



Palpi abnormal 26 



25. Middle tibite abnormal, incra.ssated at apex 27 



Middle tibia; normal. 



Abdomen with dor.sal segments 2 and 3 large Sphegigaster Spinola. 



26. Abdomen with the second segment large, occupying most of the surface, its apical margin not incised. 



Cryptoprymna Fiirster. 



Abdomen with the second segment not so large, its apical margin usually with a slight incision ; 



antennte, except the club, usually yellow Jolycyrtus Wcstwood. 



27. Abdomen short, the second segment at apex not incised Spaniopus Walker. 



28. Antenna} filiform ? g- nov. 



29. Mesothoracic furrows incomplete or indicated only anteriorly 30 



Mesothoracic furrows complete 33 



30. Metanotum smooth or at the most feebly punctate 31 



Metanotum punctate or sculptured, opaque. 



Abdomen triangular ; pronotum anteriorly truncate, the upper margin acute. 



Trigonogastra Ashmead. 

 Abdomen oblong-oval ; pronotum anteriorly rounded, the upper margin not acute. 



Bubekia Dalla Torre. 



31. Second dor.sal abdominal segment at apex, not broadly, deeply semicircularly emarginate, either 



straight or with only a slight incision 32 



Second dorsal abdominal segment at apex broadly and deeply semicircularly emarginate. 



Cyrtogaster Walker. 



32. Head wide but not thick ; antenn;e subfiliform, the second ring-joint larger than the first, the scape 



slender, but hardly reaching to the front ocellus, the funicle joints not longer than thick. 



Polycyrtus Westwood. 



Head large and thick, much wider than the thorax ; antennie clavate, the ring-joints equal, annular, 



the scape long and slender Tityros Walker (type T. pareia Walk.). 



33. Metanotum with one or three carina; 34 



Metanotum broad, ivithoul a median carina. 



Abdomeu with the second segment occupying fully one third the whole surface. 



Pterosema Forster. 



34. Metanotum with the lateral carinfe or folds wanting, the median carina ]iresent, usually abbreviated. 



Eurydinota Forster. 

 Metanotum long, closely punctate, tricarinate Bubekia 1 hilla Torre. 



TKI15E IV. Cratomini. 

 1875. CaratoiBides, Subtribus, Thomson, Hym. Skand., IV., p. 216. 

 1878. Caratomides, Subtribus, Thomson, opa.s cit., V , p. 44. 



This group is l)ased upon the genus Cnttomus Dalman, established in 1820. 

 Later the genus was changed to Garatomus. I have however, retained the original 

 spelling and shall call the group Cratomini. 



