60 GENERA OF IIYMEXOPTERA. 



Division IV.— POLYMORPHI. 



Sullfuiuily EUPHORIN.E. 



First submargiiial cell fonfiuent with the flrst discoidal. 

 Marginal cell cultrate, nearly reaching apex of the wiiij;. 



mieroctonus VVesm. 

 Marginal cell semicordate. ending about half way between the stigma and 

 apex of tlie wing, or nearer to tlie stigma. 

 Antenna? % 9 geniculate in two places, the first and third joints in % and 



the first in 9 elongate *Str«'blooera Westw. 



Antennfp simi>le in both sexes I*erilitii>i Xees. 



First submargiiial and first discoidal cells separated. 

 Antennae 9 once geniculate, clavate ( ^ unknown) ..EiiNlalocoruN Fiirst. 

 Antenna? % 9 simple, not clavate. 



First abdominal segment linear, slender, longer than tlie remainder of the 

 strongly compressed abdomen ; head 9 "^ large as the mesotliorax ( % 



unknown) ^Wesinaelia Filrst. 



First abdominal segment wider behind, not longer tlian the rest of abihniicn : 



head much smaller than mesotb.orax. 



Marginal cell sublanceolute, ending about half way between stigma and 



apex of the wing, broader than stigma, marginal ncrviire straight near 



the end, two distinct submargiual cells; nietathorax vertically truncate 



behind; ovipositor exserted *Diiiocaiii|»tUK Forst. 



Marginal cell semicordate, ending nearer to the stigma than to apex of the 

 wing, narrower than stigma, marginal nervure e(iually curved through- 

 out; sometimes no submargiiial cells; nietathorax more or less slojiing 

 behind; ovipositor concealed Hup' '"""i!* Nees. 



Suhfainily Metkc^kix.e. 



Abdomen petiolaie: anterior wings with three submargiiial cells. 



.^leteoriiM Hal. 



Subfamily Calyptin.t;. 



Abdomen elongate, sides parallel, showing eight segments above, the first much 

 longer than broad Eiibadizoii Xees. 



Abdomen short, sides rounded, .showing three or four .segments above at most, 

 the rest retracted, the first segment not or scarcely longer than its apical 

 breadth C'al.yptUM Hal. 



Hubfainily Blacin.e. 



First discoidal cell sessile, touching the parastigma, the cubital lurvnrc arising 

 from the base of the stigma. 

 Antennie 9 "ot more than IT-.jointed. of % not more than lO-joinlcd. 



BlaviiN Xees. 

 Antennte 9 more than 17-jointed, of % more than t9-joint('d. 



*(iiaiiyehoru<>i Hal. 



First discoidal cell petiolate. remote from parastigma. the cubital nervure arising 



from the hasiil nervure ^P.VKOnIoIiin Hal. 



