52 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxiii. 



Areolet j^etiolate. 



Areolet small, oblicfue, open behind; metathoracic spiracles small, oval; 

 claws strongly pectinate (328) Ctcnoinmpla Cameron. 



21 . Areolet petiolate or subpetiolate 24 



Areolet sessile. 



Areolet triangular or rhomboidal 22 



Areolet irregularly pentagonal. 



Clypeus at ])ase posteriorly strongly imjiressed, the impression often so 

 covered with long hairs as to form a tuft . . . (321) Eimmns Forster. 



22. Disco-cubital nervnre strongly curved, but not broken by a stump of a vein. 23 

 Disco-cubital nervure angularly broken a little l)efore the middle. 



Transverse median nervure in hind wings broken a little below the middle; 

 clypeus anteriorly rounded; claws very long, not pectinate, but 

 ciliate with bristles within. (Male) (p. 51) {^21) Alloplasta Ybrster. 



23. Median and submedian cells of an equal length; transverse median nervure in 



hind wings obtusely angularly broken near the apical third. (South 



America) (329) Epimecoideus Ashmead, new genus. 



(Tyjie Epimecoideus apicalis Ashmead, manuscript. ) 

 Median and submedian cells unequal; transverse median nervure in the hind 

 wings Ijroken below the middle. 

 . Clypeus prominent, separated and in outline semicircular; metathoracic 

 sijiracles short oval; areolet oblique, rhomboidal. 



(330) Pimplopterus Ashmead, new genua. 

 (Type Pimplopterus alaskensis Ashmead, manuscript. ) 



24. Disco-cubital nervure strongly curved or bent, but never angularly broken, and 



without a stump of a vein 25 



Disco-cubital nervure angularly liroken, or vnth a stump of a vein. 

 Disco-cubital nervure angularly broken at the basal third. 



(331) Stenolabis Kriechbaumer. 

 Disco-cubital nervure not angularly l)roken but still broken 1)y a stump of a 

 vein near its middle; metathoracic spiracles elliptical, thrice aa 

 long as wide; abdominal segments all longer than wide. 



(332) Meyva Cameron. 



25. Metanotum ivith two delicate parallel, or nearly, carinse down the center, the 



spiracles rounded; abdominal segments 1-3 longer than wide, the 

 first more than twice longer than wide, 5-6 wider than long, the 

 last very short; transverse median nervure in hind wings liroken 



below the middle (333) Harrlmaniella Ashmead, new genus. 



(Type, Harrimaniella yukakensis Ashmead, manuscript.) 

 Metanotum without such car'nte, the spiracles small, rounded; third abdominal 

 segment a little wider than long, the first narrowed toward base 

 more than twice longer than wide at apex. (See p. 51. ) 



(319) Cryjytojyimpla Taschenberg. 



Tribe IV. PIMPLINI. 



1868. Pimploidiv, Family 15, Forstek. Verb. d. naturh. Ver. pr. Rheinl., XXV, 



pp. 142 and 162. 

 1894. Pimplini, Tribe III, Ashmead, Proc. Ent. Soc. Wash., Ill, p. 278. 

 1900. Pimplini, Tribe IV, Ashmead, Smith's Insects of New Jersey, p. 572. 



In this tribe are to be found .some of the lartj^est, if not the largest 

 species, of all the parasitica. 



The group is a most extensive one, and includes several Avell-known 



