84 GENERA OF HYMENOPTERA. 



8.— Face witli !i slurrp s]nir *S|>arasioii Latr. 



Face without a sjjur 9. 



9. — Postraarginal vein strongly lengtlieneil. lon<ier iliaii stiunial 10. 



Post marginal vein wan tins, or sliorter thati stijrmal 11. 



10.— Postsciitelluni with a spur *Ti"iiiiorn» Filnst. 



Postscutelluin witliout a spur. 



Antennse 9 filiform *.i|>o;j;us Forst 



AntenniP 9 chih-shapcd, or % filiform. 



Marijinal vein punctiform; hist joint of anteinial club twice as lonjr as 



tlie preceding joint *Cjirj<ni Hah 



Marginal vein lialf as long as the shaft of the stignial : hist joim of a;i- 

 tennal club scarcely longer than the preceding. 



IIa<li'4>ii<>lii<< Forst. 



11. — Postniarginal vein wanting >i<-«'li<» Latr. 



Postinarginal vein present, but much shorter than stignial. ...*I»li'is For.st. 



Subfamily Platygasterin/E. 



Submarginal vein witli a knob at tip 2. 



Sulunarginal vein without a knob at tip. 7. 



2.— Tarsi 4-jointed *I|>li('ti*aoli<'liiS Hal. 



Tarsi .")-jointed 3. 



3. — Antenuie 9-joiuted, dentate in % *.41l4>ti'4»|»a Forst. 



Antennffi 10-jointed, not dentate in % ...4. 



4. — Wings with a basal and a median vein 5. 



Wings without basal and median veins 6. 



5. — Last three funicle joints much larger than the rest, forming a club. 



*.Mola<*Ii!<»i!<» Fiirst. 



Last funicle joint alone longer than the preceding ".Muiiocrita Forst. 



6.— Basal ocelli nearer the apical than to the inner margin of the eye. 



iNOKtasiiis Fiirst. 

 Basal ocelli nearer the inner margin of the eye than to the apical ocellus. 



First abdominal segment 9 with a horn liiOMleiiiiiia Hal. 



First abdominal segment 9 without a liorn *.i«*t»rota Forst. 



7. — Scutellum more or less lengthened, never semicircular, or when shortened 

 it is compressed at the sides and furnished with an awl-shaiwd or 



warty tip 8. 



Scutellum not lengthened, semicircular, either flat or convex 14. 



8. — Thorax strongly compressed from the sides '^C'alilliiN Forst. 



Thorax not compressed 9. 



9.— Scutellum lengthened, without thorn-, awl-, or wart-shajjcd tip 10. 



Scutellum lengthened, with a thorn-, awl- or wart-shajicd tip 11. 



10. — Parapsidal furrows deep, parallel posteriorly *\4>sl4»ii4»liis Forst. 



Parapsidal furrows very feebly impressed or absent. ■*Aiiil>l.>:ispis For.st. 



11. — .Scutellum extended in a more or le.ss .strong thorn 12. 



Scutellum extended in an awl- or wart-shajted tip, .somewhat shortened and 



com])resscd laterally 13. 



12.- Hasal ocelli nearer the eyes than to the ajjical ocellus; club of 9 antenna- 



4-jointcd *I>4'|»laic*is Fi)r.st. 



Basal ocelli not nearer the eyes ; cliil) of 9 antenna' !5 jointed. 



*l<«4>i*lioiill>ii«« Forst. 



