PARASITICA — ICHNEUMONIDiE. 51 



12. — Scutelhim rounded at tip 13. 



Scutelluni olevated. qiiadraiiKiilar, apex tiaincate • liji'COriiia IIolm};r. 



I'.i. — Abdomen as in I'impla ; tarsal claws not pectinate; ovipositor less than half 



the length of the abdomen; areolet wanting C'listopy;;!! Grav. 



Abdomen above with segments 2-4 each with two ol)li<|iu- lincai- (lejn-es- 

 sions ; tarsal claws pectinate ; ovipositor at least as long as the alxlomen ; 



areolet generally wanting Calyplil Tirav. 



14. — Ovipositor arising from the ajiex of the abdomen ; areolet triangular, rarely 



iucomplete If). 



Ovipositor arising from a ventral cleft Hi. 



15.— Tarsal claws not pectinate, bristly only at base. 



Head and thorax pilose Aroiioira Holmgr. 



Head and thorax not pilose L.aiii|>roiiota Curtis. 



Tarsal claws pectinate Meniscus .Schiodte. 



16. — Tarsal claws pectinate; ai-eolet triangular ; flagelliim entire. 



I'li.ytodietiis Grav. 

 Tarsal claws not pectinate; areolet wanting; flagelliim of % with joints 



Sand 4 erose or emarginate Cylloi'cria Schiodte. 



17. — Posterior femora unarmed 18. 



Posterior femora .short, swollen, armed beneath with a short tooth directed 

 backwards; middle tibite of 9 twisted; head nearly spherical. 



Odoiiloiiioriis Grav. 



18. — Frontal region of the liead not horned 19. 



Frontal region of the head with a broad process forward of tlie anterior 



ocellus; areolet wanting -MilrolMiris Holmgr. 



19. — Areolet wanting 20. 



Areolet complete 21. 



20. — Face narrowed beneath, the cheeks tuberculate behind the flattened and 

 depres.sed posterior orbits ; tibia; slender, not inflated ; tarsal joints long 



and .slender; metathorax not areolated Xoricll'S Grav. 



Face not narrowed beneath and the cheeks not tuberculate. 

 Legs long, femora .slender; four anterior tibiae 9 cylindrical, narrowed 

 and constricted at base, intermediate tibiae not twisted ; head trans- 

 versely subcjuadrate ; joints of flagellum long and cylindrical; body 

 not flattened ; margitial cell extending nearly to the a])ex of the wing. 



XyloilOiiiiiN Grav. 

 Legs short, femora robust, .swollen ; intermediate til)ia' 9 iwistcd; head 

 almost spherical; joints of flagellum short and n)l)ust ; protlioiax pro- 

 duced anteriorly in the foi-m of a neck ; body very much de])rcsscd, flat- 

 tened; marginal cell remote from the apex of the wing. 



.ililoiiioi'lis |[ Prov. 



21. — Eyes entire; posterior coxie swollen, shortei- than their femora 22. 



Eyes subemarginate ; posterior coxie cylindrical, as long or nearly as long 



as their femora ~S. 



22. -Areolet pentagonal ; anterior tibia> 9 inflated and pinched at base, slightly 



so in 'J, ; metathorax min-e or less areolated ICelitliriiM (irav. 



Areolet small, triangular, .subpetiolate ; tibiic not inflated: metathorax not 

 areolated, but with a slialK>w longitudinal groove on the di^k. 



l-]|i\<>ri«l<'N Cress. 



