424 HYMENOPTERA. 



femora beneath, another on the tibiae above ; the intermediate 

 femora beneath, the tibiae at their base above, and the posterior 

 tibiae with a stripe at their apex outside, yellow ; the tarsi rufo- 

 piceous ; the wings slightly coloiu'ed and iridescent. Abdomen : 

 the two basal segments strongly pinictured, the base of the first 

 smooth and shining, the apical margins of both depressed ; the 

 first and second segments with a broad, oblong, transverse 

 macula on each side in the middle ; the third, fourth and fifth 

 segments with a narrow interrupted fascia, also in the middle ; 

 the apical segment pinched in at the sides, which are yellow ; 

 above, with the sides raised, forming an oblong channel. 



Hub. Brazil (Santarem). (Coll. H. W.Bates.) 



149. Crabro flavipennis. 



Ceratocolus flavipennis, St.Farg. Ann. Soc. Ent. Fr. iii. 740. 1; 

 Hym. iii. 145. 1. 



Dahlb. Hym. Europ. i. 381. 243. 



Hab. Brazil. 



150. Crabro crcesus. 



Solenius crcesus, St. Farg. Ann. Soc. Ent. Fr. iii. 72?. 12(? $ ; 

 Hym. in. 132. 12. 



Dahlb. Hym. Europ. i. 388. 266. 



Hab. Cuba. 



151. Crabro carbonarius. B.M. 



Female. Length 6 lines. — Black : the head and thorax slightly 

 shining ; the clypeus covered with silvery pubescence. Thorax : 

 the lateral angles of the collar produced and acutely margined ; 

 at the sides, immediately beneath the raised margin, is a fossulet; 

 the collar al)ove has sometimes two slightly raised tubercles ; the 

 mesothorax smooth, with an abbreviated impressed line on each 

 side, rather before the tegidae ; the impressed line at the margins 

 of the scutellum simple, that at the base of the metathorax con- 

 sute; the metathorax smooth and shining, with a deeply im- 

 pressed line down the centre, which expands into a broad fossulet 

 at the apex ; at the sides a little griseous pubescence ; the wings 

 liyaline, the nerviu-es ferruginous, the costal nervure black ; the 

 tegulae testaceous ; the a]ncal joints of the tarsi testaceous. Ab- 

 domen highly polished, smooth and shining ; the fourth segment 

 pubescent ; its apical margin fuscous ; the apical segment 

 punctured and sprinkled with pale hairs, its margins raised. 



Hab. New Zealand. 



