274 MEMOIKS OF THE CAKXEdlE MUSEUM 



8. Front wings normal 9 



Front wings with the i)ortiou foinprising the costal cell dilated and obliquely truncate at the juncture 



of the submarginal vein with the marginal. 



Antennie 13-joiuted, the flagellum dilated, the joints of funide transverse, subpedunculate. 



Epicopterus Westwood (type E. cJiorcifoniiis Westw.). 



9. Antennse 13-jointed, with 2 or 8 ring joints 13 



Antennce 11- or 12-joiuted 10 



10. Thorax at most sparsely punctate, or almost smooth 11 



Thorax slightly rugulosely punctate ; antennaj 12-jointed ; marginal vein about twice as long as the 



stigmal Syntasis Walker (type S. encyitoides Walk.). 



11. Wings with marginal cilia- 12 



Wings without marginal ciliie. 



Antenna' 12-jointed, with one ring-joint b 



Antenme 11- or 12-jointed, with two ring-joints. 



Antennie 11-jointed; abdomen as long as the head and thorax united, compressed. 



Syntomocera Forster (type S. clavicornia Forst.). 

 Antennje 12 jointed ; abdomen elongated, usually compressed and carinate beneath. 



Asematus Forster (type^. amphibolus Forst.). 



b. Abdomen oblong, fully as long as the head and thorax united ; head short, subconvex in ft'ont ; 



mesonotum not short, the furrows deep. Cecidoxenus Ashm. g. nov. (type C. nigrocyaneus Ashm.). 



12. Antennse 13-jointed, subclavate, the joints of the funicle, except the first, quadrate or nearly ; meta- 



thorax short with a median carina, the spiracles small, oval ; head with sparse, thimble-like punc- 

 tures ; abdomen conic-ovate Semiotellus Westwood (type Semiotus mundus Walk.). 



13. Anteunie'with two ring-joints 14 



Antenuie with three ring-joints. 



Abdomen depressed, the ovipositor subexserted, never very long, at the most one third the 



length of the abdomen, usually shorter. .Spocerus Mayr (type ^. excavatua Mayr). 



1-1. Metathorax short, with a, median carina; abdomen compressed, above depressed, beneath keeled. 



Terobla Foi-ster (type T. dispila Forst.). 

 Metathorax very short, without a median carina ; abdomen subglobose or short oval ; flagellum sub- 

 clavate, the pedicel large, the joints of the funicle small, submoniliform, increasing in size towards 

 the club Paraterobia Ashmead g. nov. (type P. nigrieeps Ashm.). 



15. Antenna3 inserted near the mouth or just above the clypeus IC 



Antennas inserted on or near the middle of the face, far above the clypeus 21 



16. Marginal vein normal 17 



Marginal vein abnormal, semicircularly thickened at the base Stigmatocrepis Ashmead. 



17. Clypeus at apex truncate or with a slight median sinus, never produced IS 



Clypeus at apex triangularly produced. 



Antennie 12-jointed, the flagellum liliforni, pubescent or hairy, the funicle joints quadrate or 

 transverse quadrate, losely joined Tridymus Ratzeburg. 



18. Head and thorax not umbilicately punctate, at the most finely punctate, shiigrecned or rugulose, 



sometimes smooth 19 



Head and thorax unibiliciitely punctixtc. 



Antennas 13-jointed with two ring-joints Decatomothorax Ashmead. 



19. Head and thorax finely punctate or shagreened, riirely smooth 20 



