MONOGRAPH OP THE NORTH AMERICAN PROCTOTRYPID.E. 407 



Tipof scntflhiiu uot compressed from the sides, rouuded or truncate, with- 

 out a carina; abdomen o%'ate or oblongoval, often truncate at tip. 

 Petiole much longer than thick; metathorax always with a distinct ridge 



or conic prominence at base Di apkia Latr. 



Pet'ole not longer than thick, densely woolly ; metathorax most fre<iuently 

 *^ without a conic prominence at base, usually areolated. 



(Jhib 3-jointed C'khatopkia Ashm., gen. nov. 



'I'lub 4 or 5 jointed TuicikiI'HIa Ashm., gen. nov. 



ScuteUum not foveated at base. 



AxilliP not separated Pn.ENonRtA Ashm., gen. nov. 



4. ScuteUum not foveated; club consisting of one enlarged joint. 



Mesouotum without furrows MoNklata Filrst. 



ScuteUum foveated at base, chib witli more than one joint. 

 Mesouotum without furrows, or only slightly indicated posteriorly. 



Biusal nervure present ; antennal club abrupt, 4-jointed Ba.salys Westw. 



Basal nervure al>.sent; antennal club not abrupt, the flagdlum subdavate; 

 auteuuic 14-jointed MykmecoI'Uia Ashm., gen. nov. 



Males. 



Antennrc 13-jointed 4 



Antennte 14-jointed. 



Scape not especially developed 3 



Scape abnormally developed. 

 Apterous; mesouotum without furrows Platymischus Westw. 



2. Face not lengthened ; mandibles not rostriform 3 



Face lengthened; mandibles rostriform. 



Mesouotum with 2 furrows GalEsus Curt. 



3. Wings with a basal nervure. 



p'irst flagellar joint much shorter than the second Ba.salis Westw. 



First flagellar joint not shorter than the second. 



Mesouotum without furrows .... Loxotkopa Fiirst. 



Wings without a basal nervure ; mesouotum without furrows. 



ScuteUum foveated at base. 



Tip of 8cut«llum compressed from the sides; the disk or rtpex With a mediatt 



carina Tropioopkia Ashm., gen. nov. 



Tip of scutellum not compressed from the sides; rounded or truncate, without 



a carina. 



Antenna' nodose-verticillate, the joints pedunculated DIapria Latr. 



Antenna^ filiform or moniliform, not nodose-verticillnte. 



Antenna' filiform, the joints from the fourth oval or moniliform, but not 



thickened toward tips. 



Second flagellar joint longer and thicker than the first, usually curved 



or angulate towards one side, the joints beyond rounded, with long 



bristles Ceratopria .\shm., gen. nov. 



Second flagellar joint shorter than the first; the first four or five joints 



twice longer than thick; the joints beyond long-oval or moniliform 



with short hairs, or joints after the second moniliform, pilose. 



Tkichopiua Ashm., gen. nov. 

 Scutellum not foveated at base. 



Second flagellar joint about as long as the first, the joints beyond long- oval or 



moniliform, hairy Ph.*:nopbia Ashm., gen. nov. 



4. Scutellum not foveated at base. 



Mesouotum without furrows. 

 First flagellar joint not half as long as the second Monelata Forat, 



