132 GEXERA OF HYMEXOPTERA. 



Second subniarjriiuil wU always inucli hm^ccr than hij;h. and almost t'liual 



in hnio:th with the first, rarely conspicuously shorter 22. 



•22. — Eyes hairy; abdomen conical, acumiiiati; in 9'!iP<^x armed with teeth or 

 s])ines in % ; scutolltim fieiierally dentate laterally; anterior coxse 

 'J, often armed with a spine; maxillary i)alpi IJ-joinled. 



C'celioxys Latr. 



Eyes not hairy 23. 



23. — Third discoidal cell contracted above, the recurrtnt nerviircs ai)proximating 

 each other toward the middle of the second siibmar<,nnal cell : in 

 appearance closely reseiid)ling a very small lyn'olns. 



I'liilcrciiiiiM Latr. 

 Third discoidal cell 7iot contracted above, the recurrent uervures remote 



from each other 24. 



24. — Marsiinal cell narrowly truncate at tip. 



Ocelli in a triangle; tongue long, slender, tufted at tip (Smith's figure) ; 

 first joint of labial palpi longer than the three following combined. 



CalliopMis .Smith. 



Ocelli in a line or slight curve; tongue rather short, lanceolate, acute at 



tii>; first joint of labial palpi not longer than tlie three fcdlowing 



joints combined Scrapler .St. I'arg. 



Marginal cell jioinled at tip 25. 



25. — Second recurrent nervurc received beyond the t\]> of the second submarginal 

 cell, or uniting with the third transverse cubital nervure; nia.xil- 

 lary palpi 2-jointed. 

 Abdomen 9 with a dense ventral scopa ; pulvilliis wanting ; abdotnen % 



toothed or lobed at apex .iiitliiiliiiiii Fabr. 



Abdomen 9 without ventral scopa; jml villus jjresent. small in 9- hu-ge 



in % ; abdomen % not toothed or lobed at aj)ex S(<'li«* I'anz. 



Second recurrent nervure received by the second submarginal cell before its 



apex 26. 



2H. — Stigma lanceolate, well developed 27. 



Stigma short, not well developed, or ob.solete 28. 



27. — Head transverse, not much extended behind the eyes; maxillary palpi 6- 

 jointed. 

 Face thinly pubescent ; posterior legs 9 '^vith a dense scojia. posterior 



femora % short and swollen .fliicropis I'anz. 



Face thickly pubescent; posterior legs 9 with a thin scopa, posterior 



femora % slender, not swollen l*illllirKll!4 I'anz. 



Head nuailnite, considerably extended bcdiind the eyes; maxillaiy palpi .'J- 

 jointed ; third and fourth joints of labial palpi miniUc. suhetiual in 



length lloriadcM Spin. 



28. — Marginal cell at a[)ex reaching the costal margin of the wing; second sub- 

 marginal cell narrowed at least two-thirds towards the marginal ; 

 maxillary palpi 3 jointed ; fmirlh joint of labial jialpi minute, much 



shorter than the third C'li<'l<».sloilia Latr. 



^Marginal cell at apex luorc or less distinctly separated from the costal mar- 

 gin of the wing: second submarginal <(11 ii.irrowtd not more than 



one-half towards the marginal 29. 



2t).— rnlvillus wanting in 9 .30. 



I'ul villus present in both .sexes 31. 



