PARASITICA — BRACONIDiE. (!1 



Subfamily Liophronix/K 



Mesotlioraric sutures distinct Iji<»|>liroii Xi-es. 



Mesothoracic sutures etfaced *<;oiiti!«itt'>* Hal. 



Subfamily Ichnkutin^k. 



First branch of the marginal ncrviirc shorter than the second ; second subniar- 



ginal cell longer than the first lcliiit'ul<'S Xees. 



First branch of the marginal nervure longer than the second ; second submar- 

 ginal cell shorter than the lirst'. l*rot<»rO|»S Wesni. 



Subfamily ToxoNEURiNiE. 



Marginal, and second and third submarginal cells indistinctly defined, the former 

 reaching to apex of wing, the marginal nervure reclivate, indistinct 

 beyond apex of second submarginal cell, which is much longer than 

 broad, the recurrent nervure received by the first submarginal cell. 



Toxoiieiira Say. 



Subfamily Helconin^. 



Posterior femora armed with a tooth beneath IIoI<*Oii Nees. 



Posterior femora unarmed Gymiioscolis Forst. 



Subfamily Macrocentrin.e. 



Abdomen inserted above the posterior coxse Macroeentrus Curtis. 



Abdomen inserted between the posterior coxai Zolo Hal. 



Subfamily DiospiUNiE. 



Fii-st discoidal cell not petiolate, touching the stigma ; head subcultical. 



*I>ios|>ilu!!> Hal. 



First discoidal cell petiolate, remote from the stigma ; head contracted behind 



the eyes. 



Submedian cell of posterior wings divided by a transverse niM-vure; metatho- 



rax areolated ; first abdominal segment striolate.*l*iMHiia<*lm>» Marsh. 



Submedian cell of posterior wings not divided by a transverse nervure ; meta- 



thorax not areolated ; first abdominal segment smooth. 



*I>.V!i*fol«'t«'>» Hal. 



Subfamily Opiin.e. 



Marginal cell open at apex *A«loiiiou Hal. 



Marginal cell completely closed. 



Second branch of marginal nervure not or scarcely longer than the first, whence 

 the second .submarginal cell is very narrow. 

 Second abdominal segment with an arcuate transverse impression at base 



and another at apex *Ciiiiani|»<odoii Hal. 



Second abdominal segment with no such imjiressions *IIo<l.> Ins ^larsh. 



Second branch of marginal nervure much longer than the first, wlierehy the 

 .second sulunarginal cell is wider, often very wide. 

 Marginal nervure sjjringing from extreme base of stigma. 



*I->ni\ylt'iios Fili-st. 



