ASIIMKAD: CI.ASSIFICATION OK TlIK, CIIAI.Cin FI,IFS 249 



Aliiloiiicii .ndinfr in a loiiii, distiml nviipositor, wliicli is sometimes as lini« as the wlu.le liiidy. 



Acanthochalcis Cameron (type A. nigrcaeena Cameron). 



4. Al)(l(iiiioii mueli |)V(i(luceil at apex, tlieeif;htli dorsal segment long, compressed, resembling a stylus 5 

 Abdomen normal, subglobose or ovate, the eighth dorsal segment never very long 1 1 



5. Scutelhnn normal, rounded behind, if with a slight plate behind the same is entire, not emargiiiato (i 

 Scutellum terminating in a projection or plate posteriorly which is usually emarginate 8 



fi. Abdomen at base rounded, not truncate 7 



Abdomen at base truncate, the truncature bounded by a carina. 



Antenuje 13-jointed, tlie flagellum long, slender, liliform Phasgonophora Westwood 



(type P. siilvafa Westw.). 



7. Eighth dorsal abdominal segment ]ir(idiu-ed into a triangular stylus, tlie second segment (or the first 



body segment) occupying only aliout one third the length of the body ; antenna; 11-jointed, sub- 



clavate Trigonura Sicliel (type T. crassicaxida Sichel). 



Eighth dorsal abdominal segment very long, compressed but not triangular, the second segment vari- 

 able, usually, however, occupying about half the length of the body ; antenn.x 11-jointcd, filiform, 

 tapering toward tips Thaumatelia Kiiby (type Chulcis separalu Walker). 



8. Scutellum with a short, thick projection liehind 9 



Scutellum ending in a raised emarginate or bidentate plate. 



Metathorax unarmed 10 



jMetathorax with two very prominent projections on each side, and very hairy. 



Abdomen with the eighth dorsal segment produced into a long stylus ; antenna; ll2-jointed. 

 Megalocolus Kirby (type HalticeUa ducator Walker). 



9. Metal hoiax willi two teeth on each side ; hind femora armed with 7 or 8 teeth beneath. 



Pseuedocliolcis Kirby (type HaHkrUa declarator Walk.). 



Metathorax prixiuced and excised medially; bind femora unarmed Oxycoryphe Kriechbaumer. 



(type 0. siih.nica Krieehb.). 



10. Marginal vein very short, the postmarginal and the stigmal veins abnormally long; hind femora with 



numerous small teeth beneath (about 14) ; abdomen long, conically produced. * 



Larradomorpha Stadelman (type L. insiyniti Stadelm.). 

 Marginal vein long, the stigmal vein normal, not very long. 



Hind femora armed with one long tooth followed by 6 or 7 smaller teeth ; antennas 11-jointed. 



Stypiura Kirby (type Chaleis conigaslra Perty). 



Hind femora with numerous depressed ].unctures, and with about 6 large teeth beneath; antennse 



13-jointed Epitelia Kirby (type Chaleis slylata Walker). 



11. Antenujc 13-jointed, with 1 ring-jointed, rather short ; hind femora armed with many minute teeth 



beneath Chaleis Fabrieius (type J'espa wiitida Linne). 



12. Scutellum posteriorly unarmed, noriiial 13 



Scutellum posteriorly armed, emarginate or produeeil ' 16 



13. Abdomen at base rounded, not truncate 14 



.Vbdomen at ba.se truncate, the truncature bounded by a carina Phasgonophora Westwood. 



14. Hind angles of metathorax rounded, not prominent 1.5 



Hind angles of metathorax prominent, acute, clothed above with usually a silvery white pubescence; 



thorax coarsely punctate, the al)dcinien imnctale or at least not entirely impunctate ; antennae 

 1 1-juinted, the llagellniu liliform Acanthochalcis Cameron. 



