NO. 120C. ICHNEUMON FLIES— ASH M IL 1 1). 1 8 1 



3. Marginal oell for tlic most part entirely absent or at most with unlv the first 



abscissa of the radius present 6 



Marginal cell not eAtirely wanting, the radius present but not extending to the 

 costa, but forming a well-defined, although open, cell 4 



4. Radius not geniculate; metanotum not strongly areolated 5 



Radius geniculate; metanotum sometimes areolated. 



Areolet incomplete, but in position, subquadrate; liind ])ortion of thecuhi- 



tus interstitial with the fore part; antennfc in female 13-14 jointed, in 



male 14-16 jointed; metanotuni not areolated. 



(1004) Elasmosoma Ruthe. 

 Areolet wanting or open behind, not subquadrate in position; hind jiortion 



of the cubitus emerging from the first discoidal cell; antennae 21-jointed; 



metanotum strongly areolated (1005) Dirrhope Forster. 



5. Hind portion of the cubitus emerging from the first discoidal cell; antennae 



20-jointed- (1006) Acrdius Haliday. 



6. Front wings with tJiree cubital cells, the second (or areolet) and the third never 



confiuent 14 



Front Avings irilJiuid cubital cells, or at most with tiro only, in the latter case the 

 second and third being ronftncnt 7 



7. Front wings with two cubital cells, the areolet confiuent with the third; the dis- 



coidal cells usually distinct and separated; mesonotum normal 8 



Front wings wlthoul cubital cells, and the first and second discoidal cells are 

 obliterated or confiuent; mesonotum with a large fovea in front of the 

 scutellum; antennje 21-jointed; hind coxjb very long, subcylindrical. 



(1007) Ccelothorax Ashmead. 



8. Antenna', in both sexes, 14-jointed; hind wings without a radius. 



(1008) Mira.r Haliday. 



Antenme 17-jointed (1009) Colcda Cameron. 



Antennte 18-jointed. 



Clypeus entirely separated from the face by a grooved line or furrow 



between the clypeal fovete 12 



Clypeus not separated from the face by a grooved line or furrow lietween 

 the clypeal fove;e 9 



9. Metathorax quite differently formed, iritJiout a transverse apical carina 10 



Metathorax short, truncate posteriorly, the truncature l)ounded superiorly l>y a 



transverse carina, the face with a distinct petiolar area. 



(1010) PdrajKtnlfles Ashmead, new genus. 

 (Type, Apanteles alet'uv Riley. ) 



10. Metathorax ir'dli a distinct median longitudinal carina (rarely nearly obliterated 



by the coarseness of the sculpture), areolated, or at least with a distinct 



areola or median area 11 



Metathorax irithout a trace of a median carina or an areola, smooth, alutaceous, 

 or shagreened, and rarely with a slight median depression. 

 Second abdominal segment without lateral grooved lines. 



(1011) Protapantcirs Ashmead. 

 Second abdominal segment if(7/i distinct lateral grooved lines, which con- 

 verge anteriorly. 



11. Metanotum with a distinct median longitudinal carina (rarely nearly obliter- 



ated by the coarseness of the sculpture). 

 Second abdominal segment not separated from the third by a deep trans- 

 verse furrow; ovipositor never prominent, at the most su])exserted, the 

 hypopygium plow-share shaped (1012) Apanteles Forster. 



