316 MEMOIRS OF THE CARNEfJIE MUSEUM 



7. Stigmal club, or knob, small ; front margin of proiiotum rounded ; nietanotiim with a median caiina. 



the lateral folds usually wanting or iiicomj)lete 8 



Stigmal club very large ; front margin of pronotum shar]) ; metanotum with the latei-al folds usually 



complete Dinotus F6rster (type D. bidentulug Fcirst.). 



8 Marginal vein at least thrice as long as the stigmal vein ; clypeus anteriorly bidentate ; nietathorax 



impunctate, with a median carina Rhopalicus Forster (type Cleonymus maculifer Forst.)- 



9. Clypeus at apex unarmed, either truncate, sinuate or incised 10 



Clypeus at apex armed with a median tooth. 



Thorax long, the proiioluni with the front niaigin acute, laterally dilated, the metathorax with 

 short folds Stenomalus Thomson (type .S". crasaicornis Thorns.). 



10. Stigmal vein ending in a small or median sized knol> or tlul> 11 



Stigmal vein ending in a large knob or club. 



Metathorax short and usually with a transverse carina ; clypeus incised at apex medially ; 



mcsepi.sternum extending tq the coxa; Cecidostiba Thomson (type C. rugifrons Thoms.). 



Metathorax not short, usually with a, fold and often also with a transverse carina ; head and 



thorax usually with rigid pubescence Csenacis Thomson (type C. grandidava Thunis,). 



11. First joint of the Hagellum always longer than the pedicel, or of an equal length. 12 



First joint of the flagellum always shorter than the pedicel 13 



12. Pronotum broad, the upper front margin rounded; scutellum with a ci-oss-furrow before apex; 



abdomen conic-ovate, the second segment usually the largest, the third very short, segments 4-7 

 more than twice longer than the third, subequal, or very slightly increasing in length ; marginal vein 

 usually a little thicker at base than at apex..Hal)rocytus Thomson (type Pleromalus albipennis Walk.). 



13. Pedicel as long as the ring-joints and the first two joints of the funicle united ; metathorax produced 



into a subglobose neck, the lateral folds distinct, the spiracles large, subreniform ; abdomen ovate. 

 Mormoniella Aslimead, g. nov. (type M. brcvicornis Asian.). 



14. Front femora considerably swollen 15 



Front femora normal., 20 



15. Marginal vein in fj-ont wings t!iicL-i iicd IG 



Marginal vein in front wings slender 18 



16. Antennfe with the ring-joints small, annular 17 



Antenna; with the ring-joints large, not annular Pandelus Forster. 



17. Metanotum smooth, without folds ; stigmal and postmarginal veins short Metacolus Forster. 



Metanotum with folds and a median carina ; stigmal vein longer than the marginal. 



Rhaphiteles Walker. 



IS. Stigmal club or knob small 19 



Stigmal dub very large ; front margin of pronotum acute Dinotus Forster. 



19. Marginal vein very lung ; clyi>eus anteriorly bidentate Rhopalicus Forster. 



20. Clypeus atapex unarmed, truncate, sinuate or incised 21 



Clypeus at apex armed with a median tooth ^tenomalus Tlumison. 



21. Stigmal vein ending in a large knob. 22 



Stigmal vein ending in a small or moderate sized club 23 



22. Clypeus at apex incised medially ; metathorax short and usually u ith a transverse carina. 



Cecidostiba Thomson. 



Clypeus not incised ; nietathorax not short, usually with a fold and often also witli a transverse carina ; 



head and thorax usually with ligid bristles Caenacis Thomson. 



