272 MEMOIRS OF THE CARNEGIE MUSEUM 



3. Abdomen with the second segment occupying about one half the whole surface or only a litlle more. 



Antennae 11-jointed, the scape long, slender, 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. compact a Howard). 

 Antennae 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 H. lucens Howard). 



5. Antenute 10-jointed, with one or two ring-joints. 



Maxillary palpi 2-jointed 8 



Maxillary palpi 4-jointed '. 6 



6. Ovipositor exserted 7 



Ovipositor not exserted. 



Postmarginal and stigmal veins very short. . 



? Calypso Haliday (type C. serratulsR Haliday). 



? Macroglenes Westwood (type Ichneumon ijenetrans Kirby). 



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



(type P. varicornis Hal.). 



Antennae with one ring-joint ; postmarginal and stigmal veins long Ecrizotes Forster 



(type.E. monticola'Fbvstev). 



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



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



(type ;S'. anomalipes Ashm.). 



9. Eyes pubescent 10 



Eyes bare 11 



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



a distinct club Erotolepsia Howard. 



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



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



Maxillary palpi too-jointed 13 



Maxillary palpi /owr-jointed 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 clavate Pirene- Haliday. 



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



the joints of the funicle moniliform, pilose Ecrizotes Forster. 



Subfamily II. Tridyminj^. 



1835. Ormocerid£e, Family (partim), Walker, Ent. Mag., II., p. 167. 



1856. Ormoceroidee, Familie 15 (partim), Forster, Hym. Stud., II., pp. 19 and 24. 



1856. Hormoceroidse, Familie 15 (partim), Forster, opus cit., p. 59. 



1875. TridymiDse Tribus, (partim) Thomson, Hym. Skand. pp. 12 and 192. 



1886. Tridymina3, Subfamily, (partim) Howard, Ent. Araer., I., p. 198. 



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



