62 GENERA OF HYMENOPTERA. 



Marjiiiml iicrvuro sjirinjiiiig from any other ]ioiiit of the stijinia. 



Second anil third abdominal sutures marke<l l)y wide, sliallow. transverse 



depressions, not reachin<r the hiteral niarjiins. .'^I*lisi'<lr4>f <>iii:i Foist. 



Second and tliird abdnminal sutures inconspicuous €>|>iiiM Wesm. 



Division V.— EXODONTES. 



Subfamily Ai.ysiin^. 



Apterous in l)oth se.xes -^('IisimiikmIoii Hal. 



Winded; the wings generally am])le, rarely abbreviated 2. 



•2.— Wintrs 9 rudimentary, without neuration f '^ unknown \ 



*l*aii«'reina Forst. 

 Wings % 9 ample, very rarely abbreviated and tiien with distinct neura- 

 tion 3. 



3. — Fir.st suhniargiual cell separated from the second 4. 



First subniargiual cell confluent with the secoiul *S,viial«li« Fiirst. 



4. — First transverse cubital nervure as long as the second branch of the marginal 



nervure or longer •">. 



First transverse cubital nervure shorter than the second branch of the mar- 

 ginal nervure li. 



r>. -Fir.st submarginal cell confluent with the first discoidal..*Syiicra}>»JS Forst. 

 Fir.st submarginal cell separated from the first discoidal. 



Fourth joint of antennae longer than the third *l4lia!<ita For.st. 



Fourth joint of antennie not longer than the third. 



Second abdominal segment roughly punctured and nearly liisectcd by an 



impressed transver.se line *Tra<'liyii>ia Ruthe. 



Second abdominal segment smootii and without any transverse line. 

 Metathora.K carinate : wings occasionally abbreviated, but still with 



distinct neuration. % 9 *I>ias|>asta lMir>t. 



Metathora.x not carinat(?; wings always (■omi)lele. 



Furrow of mesopleura' obsolete or snu)oth..*l*t'illa|>I<'lH'a Forst. 

 Furrow of niesoi)leuriB distinct, rugose or crenate. 



Subdiscoidal nervure interstitial *<"ra<o<<»|>ila Forst. 



Subdi.scoidal nervure arising from middle of si'conil di.-^coidal cell. 

 Stigma short, o))long. emitting the marginal nervure beyond the 



middle \ly>iia l.atr. 



Stigma elongate, lineari-lanceolate. emitting the niinuinal ner- 

 vure before the middle *Taii.vfar|>a Forst. 



fi.— First submarginal cell confluent with first discoidal i|»lia'i*clsi Fiirst. 



Fir.st submarginal cell .se])arated from first discoidal 7. 



7. — Fourth joint of antenna' longer than thinl ; submedian cell of pcisterior 

 wings less than half as long as the median. 



Marginal cell not reaching ajiex of the wing '^Iloiiiopliyla Fiirsl. 



Marginal cell reaching apex of the wing ^I*li:i'ii4»4-ai'|>a I'Tirst. 



Fourth joint of antenna' not longer than third; submedian cell of |iipsterior 



wings half as long as tlu' nu'(lian H. 



H. — Stigma elongate, attenu.-itc. but still somewhat thicker than metararpust...9. 

 Stigma wanting, i.e.. not thicker than the metacarpus ''''.\N|»il4»la I'or.st. 



t Till' cdsial margin from stigma (o apex of loargiiuil cell. 



