E. L. HOLMBERG: DELECTrS HYMENOPT. ARGENTINUS. 307 



tis, ad marginem posticiim satnratioribns et ibi irideseentibus; ^■e- 

 nulis piceis; tegnlis ad basin pieeis, deinde fuscescenti-testaceis; 

 pedibus nigro-piceis, tibiis ad apicem tarsisque obscuré ferrngineis; 

 calcaris dilnté ferrngineis; ungniciilis dentibus nigris; dibité ful- 

 vescenti-griseo-villosis, scopulis ferrngineo-auraiis; trochanteribus 

 II et III intús inferné angulosis; femore II sat robusto posticé 

 ai'istato; tibia II femore latiore, ellyptica, basi apiceqne angusta- 

 ta, depressa; metatarso obspatluilato, tibia feré isque lato, margine 

 postico satis recto, antico cnrvatim dilátate atque ^^arte latiore 

 ante médium, deinde apicem versas sensim constricto; femore III 

 basi obliqua, retrorsúm modicé, deorsiim fortius arquato, anticé 

 jiosticeque aristato, inferné la vi, nitido, deplanato; tibia femore au- 

 gustiore, apicem versús gradatim latiore quamqnam anticé posti- 

 ceque modicé curvata atque ad apicem paulo constricta. Abdomen 

 picenm, fuscescenti-fulvo-vestitum, pilis appressis, ^^arvis, margi- 

 nem versus paulo longioribus; segmentis 2 ultimis utrinque uniden- 

 tatis, pa?nultimo ad apicem, ultimo in medio, ad basin (seg. 1°) hir- 

 tum; ventre piceo, parte villosa fuscescenti-fulva; segmento ultimo 

 in medio longitrorsími depresso. 



Long. 10 mm., alar. exp. 19 mm., ala 8 mm., antenna 4 i/» mm. 



Argentina: Chaco: Colonia Azora (iv. 17, 1889, E. Boman). 



Aiithuphoritse ( cT antennis normalibus). 



ANTIIOPHORA Latreille 



Cellulíe radialis cliaracter in speciebus Euro}i;c diversis lustravi: 

 A. refuga, pilipes, fuvcata, 4-maciihifa, alh/gena, fulcitarsig, a'stiva- 

 lis, 4-fasciata. 



SpECIERUM HUJUS LABORIS STNOPSIS. 



Thorax fulvo-hirtus; abdouiinis ( Q ) segmentis 3 primis 



dorsi in disco subsparsé stramineo- vUlosis A. paraiieiisis. 



I Thoi-ax griseo-hirtus; abdominis ( Q ) segmentis 4 priinis 



I flavo -ferrugineo- densiüs -vestitis A. saliensis. 



