272 MEMOIRS OF THE CARNEGIK MUSEUM 



3. Abdomon witli the secoiul segment occupying about one half tlie whole surfiice or only a litlle more. 



Anteunie ll-jointe<l, the scape long, slendei-, the pedicel at least as long as the club ; marginal 



vein not more than Jour times the length of the stigmal vein Erotolepsia Howard 



(type E. compada Howard). 

 AntenniE 10-jointed, the scape short and slender, the pedicel shorter than the club; marginal 



vein long, about six times the length of the stigmal vein Herbertia Howard 



(type n. /)(ce?!S Howard). 



5. Antcnnie 10-jointed, with one or two ring-joiuts. 



Maxillary palpi 2-jointed 8 



Maxillary palpi 4-jointcd 6 



6. Ovipositor exserted 7 



Ovipositor not exserted. 



Postmarginal and stigmal veins very short. 



? Calypso Haliday (type C serratulie Haliday). 



? Macroglenes Westwood (type Ichneumon penetrans Kirby). 



7. Antcnuie with two ring-joints ;' postmarginal and stigmal veins very short Pirene Haliday 



(type P. rariconiis Hal.). 



Anteun;e with one ring-joint ; i)o.stmarginal and stigmal veins long Ecrizotes Forstcr 



(type K monticola FSrster). 



8. Legs abnormal, the tibi;e strongly inflated or swollen, stouter than the femora, the tarsi short and 



slender, the joints very short ; clypeus triangularly produced Spathopus A.shmead, gen. nov. 



(type S. anomalipes Ashm.). 



9. Eyes pubescent 10 



Eyes bare 11 



10. Anteunse 11-jointed ; marginal vein not more than four times the length of the stigmal, the latter with 



a distinct club Erotolepsia Howard. 



Antennte 10-jointed ; marginal vein about six times the length of the stigmal vein. Herbertia Howard. 



11. Autennjc 10-jointed, with one or two ring-joints. 



Maxillary palpi ^wo-jointed 13 



Maxillary palpi /oKr-joiuted 12 



12. Eyes normal, not converging above Calypso Haliday. 



Eyes abnormal, converging and nearly meeting above on the vertex Macroglenes Westwood. 



13. Marginal vein not twice as long as the stigmal vein ; flagellum not cla\ate Pirene Haliday. 



Marginal vein about twice as long as the stigmal vein, thickened at the base ; flagellum short, clavate, 



the joints of the ftmicle mouiliform, pilose Ecrizotes For.ster. 



Subfamily II. Tkidymin.I!;. 

 1835. Ormoceridfe, Family (partim), Walker, Ent. Mag., II., p. 1G7. 

 1856. Ormoceroidaj, Familie 15 (partim), Forster, Hym. Stud., II., p]). T.) and 24. 

 1856. Hormoceroidfe, Familie 15 (partim), Forster, (qms cif., ]>. 59. 

 1875. Tridyminse Tribus, (partim) Thomson, Hjnn. Skand. p|). 12 and 192. 

 1886. Tridyrainte, Subfamily, (partim) Howard, Ent. Amer., I., p. 198. 

 1899. Tridyminse, Subfamily II. , Ashmead, Proc. Ent. Soc. Washington, IV., p. 247. 



