58 GENERA OF HYMENOFTERA. 



metathorax elongate, areolated ; posterior coxae angularly produced in 

 front; abdomen 9 obovate. convex. % narrower, elongate. dciircssi>d. 



l>ory<'tos Hal. 



Antenna* submoniliforni, 18-2()-jointed, shoi'ter than head and thorax ; suturiforni 



articulation obsolete ; four anterior legs very short, the clavate tibiae 



shorter than tarsi ; jjosterior tibite and tarsi of equal length, first joint 



of the latter twice as long as the three following joints combined. 



*IIistoroiiioriis Wesni. 



Subfomily IIormiin.e. 



Median cell of anterior wings shorter than the suhniedian on the externo-medial 

 nervure; antennie as long as head and thorax, % 11-, 9 1'2-jointed ; 

 suturiforni articulation ed'aced ; recurrent nervure interstitial, second 

 submarginal cell scarcely narrowed at base *<'lir«'iii,> Ins Hal. 



Median and subniedian cells of e<iual length; antenna- much longer than head 

 and thorax, with more than 12 joints; suturiforni articulation suix-rfi- 

 cial ; recurrent nervure received by the second submarginal cell, wliich 

 is much narrowed at base Horiniu!>» Nees. 



Subfamily 1viiogadin.(E. 



Suturiforni articulation obsolete. 



SecoTid submarginal cell trapezoidal ; abdomen not longer than head andtliorax, 

 that of 9 sul)conipre.ssed at ajiex, ovipositor considerably exserted. 



*CIiuoeeiitrus Hal. 



Second submarginal cell rectangular; abdomen longer than head and thorax, 



that of 9 strongly compressed from second segment, ovipositor subex- 



serted *l»elalo<les Wesni. 



Suturiforra articulation distinct, crcnulate. 



Third joint of maxillary palpi dilated within, securiform; second submarginal 

 cell elongate, recurrent nervure interstitial; ovipositor exserted. 



*l*«'le<\V>>toma Wesm. 

 Third joint of maxillary jialpi simple; recurrent nervure received by the tiist 

 submarginal cell. 

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

 ginal cell short, not half the length of tirst ; 9 abdominal segments 4 

 and following retracted and concealed beneath the third. 



*ll<'l<'i'<»^'aiiiiis Wesm. 

 First branch of marginal nervure shorter than the .second; second submar- 

 ginal cell elongate, more than half the length of first; 9 abdonnnal 

 segments 4 and following not retracted and concealed beneath the third. 



|{lio^,'a!« Nees. 



Division II.— CKYPTOGASTRES. 

 Subfamily Si(iALFirrx.K. 



Abdominal segments 4-") not entirely concealed under t lie caiai)aite. the second 

 longer than third, the first longer than broad, narrowed at base; mar- 

 ginal cell long, extending ahno.st to apex of wing, anal ((li divided before 

 apex by a tran.sverse nervure *.VII«Mloriis I'orst. 



