HYMENOPTERA. 291 



acute. Thorax : above clothed with golden pubescence, which is 

 most sparing in the middle ; on the sides, beneath, and on the 

 legs, is a fine silky silvery pile; wings yellow-hyaline, with a 

 broad fuscous apical margin ; the ncrvures yellow towards the 

 base of the wings, and fuscous towards their apex. Abdomen : 

 the apical margins of the segments with broad pale golden bands, 

 the apical segment obtuse and covered with pale pubescence. 



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



Species of North America. 

 Div. 1 . Abdomen red and black. 



56. Larrada analis. B.M. 



Larra analis, Fabr. Syst. Piez. 220. 8. 

 Hab. Carohna; United States (Delaware). 



57. Larrada l^vifrons. B.M. 



Female. Length 4^ lines. — Head and thorax black ; the face 

 thinly covered with silvery pubescence ; the vertex with merely 

 a slight elevation above the anterior ocellus, with two smooth 

 spaces behind, between them a smooth shallow channel which 

 passes a short way u})wards tov.ards the vertex terminating in a 

 smooth fovea. Thorax opake ; the metathorax finely shagreened, 

 and having at the sides a little cinereous pubescence; wings 

 hyaline, the nervures testaceous ; the apical joints of the tarsi 

 rufo-testaceous. Abdomen : the three basal segments red, the 

 apical ones black ; thinly covered with cinereous pile, the apical 

 segment very smooth and shining. 



Hab. East Florida (St. John's Bluff). 



58. Larrada terminata. B.M. 



Male. Length 3 lines. — Black : the head closely and rather 

 strongly punctured ; an impressed line runs backwards from the 

 tubercles, which replace the two ])osterior ocelli, to the margin 

 of the vertex ; the face covered with silvery pubescence. The 

 mesothorax shining and punctured ; the metathorax shagreened ; 

 the thorax above w ith a scattered short cinereous pubescence ; 

 the wings hyaline and iridescent, the nervures testaceous ; the 

 apical joints of the tarsi rufo-testaceous. Abdomen shining, 

 delicately punctured ; the apical margins of the segments slightly 

 depressed and narrowly rufo-piceous ; the two apical segments 



