hymenoptera. 257 



69. Sphex melanopa. 



Sphex melanopa, Dahlb. Hym. Europ. i. 27. 13. 

 Hab, Brazil. 



70. Sphex fuliginosa. 



Sphex fuliginosa, Dahlb. Hym. Europ. i. 25. 5. 

 Hab. Brazil. 



71. Sphex chrysobapta. 



Female. Length 8 lines. — Black : the head and thorax co- 

 vered with bright golden pubescence, exceedingly brilliant in 

 different lights ; the wings subhy aline, the nervures ferruginous; 

 the anterior margins of the superior pair have a broad reddish- 

 yellow stain; the legs fusco-ferruginous, the femora bright fer- 

 ruginous above, and the tibia; outwardly so; the apical joint of 

 the tarsi dusky ; the legs and abdomen covered with a tine re- 

 flective silky golden pile ; the petiole as long as the two basal 

 segments, ferruginous, as well as the apical margins of all the 

 segments. 



Hab. Brazil. (Coll. F. Smith.) 



72. Sphex clypeata. B.M. 



Male. Length 10 lines. — Black : the face covered with silvery 

 pubescence and sprinkled with long black hairs ; the clypeus 

 very convex, produced anteriorly, its margin truncated ; the 

 thorax has a thinly scattered black pubescence ; the wings fusco- 

 hyaline ; the nervures and extreme base of the wings dark fus- 

 cous, the apical margins with a pale fuscous cloud. The abdomen 

 shining and covered with a tine grey silky pile ; the apex fringed 

 with curled yellow pubescence ; the two apical segments beneath 

 densely covered with similar pubescence. 



Hab. Brazil. 



73. Sphex ingens. B.M. 



Female. Length 18-20 lines. — Black : the head opake, thinly 

 clothed with black pubescence ; the clypeus has a few scattered 

 punctures, margined in front, the margination obscurely ferrugi- 

 nous ; the mandibles rugose towards their base ; the palpi fus- 

 cous, with the tijjs of the joints pale ferruginous. Thorax clothed 

 above with black pubescence, densely so on the metathorax; on 

 the disk of the mesothorax is a short velvety ])ubescence ; the 

 anterior femora have an obscure ferruginous stripe beneath at 

 their apex; wings rufo- fuscous, subhyaline, darkest at their 



