

118 HYMENOPTERA OF AMERICA. [PART I. 



Variat ore, tarsia apice, scutellorum fasciis, rufis. 



Montezumia azureipennis Sacss. Vespides, I, 89, 2 (1852) ; III, 160. 

 Montezumia rujidentata Sauss. Vespides, I, 88, 1 (1S52). 



This insect is most likely a mere variety of M. cccrulea. 

 Hab. Brazil. Mexico. 



In this section oue might nearly place also 31. Ghilianii, and M. 

 azteca. (See below, No. 16 and 18.) 



2. First segment of the abdomen subsessile. 



Division BETA. 

 (Safss. Vespides, I, 90; III, 162.) 



A. Tliorax moderately lengthened, first abdominal segment 

 funnel-shaped, convex, divided by a feeble groove^ vertex 

 somewhat svjollen. 



a. Wings transparent or ferruginous. 



8. ]W. nigriceps Spi>\ — ?siger; abdominis 1° segmento infundibuli- 

 formi, brevissime petiolato, latitudine f secundi ; mandibulis ferrugineis ; 

 tborace et pedibus rufis; illo paulo nigro-vario; post-scutello flavo- 

 binotato ; abdominis primo segmento basi rufo, anguste fiavo-limbato ; 

 alis byalinis, venis testaceis. 



^ . Clypeo polygonale, albido, margine antico truncato, integro ; antennis 

 apice uncino obtuso testaceo instructis. .Long. 5-6 lin. 



Eumenes? nigriceps Spinola, Ins. rec. a Cayenne par Leprieur, Ann. Ent. 



Fr. X, 1841, 128, 79, %. 

 Montezumia nigriceps Sauss. Vespides, III, 162, 51. 



Hab. Cayenne. 



9. M. iiifuiidrtmliformis Fabk. — Gracilis, clypeo piriformi, trun- 

 cato, punctato-striato ; corpore punctata ; pronoto marginato, angulato ; 

 mesonoto nitido, sparse punctato ; metanoto dense punctato, velutino, 

 hirto, in medio tautum canaliculato ; capita, thorace et pedibus nigris, 

 tomento aureo rariore sericeis ; abdomine ferrugineo, vel badio : primo 

 segmento infundibnliformi, fasciis 2 nigris et utrinque dente laterali 

 instructo ; segmentis 3-5 punctatis ; tarsis apice rufis; mandibulis 

 ferrugineo-variis ; antennis subtus obscure ferrugiueis ; alis byalinis, 

 venis nigris. 



Var. Segmentis 1°, 2° limbo fiavescente ; tarsis et tibiis fuscescentibus. 

 Longit, 18 mm. 





