HYMENOPTERA. 95 



41. PONERA GRANDIS. B.M. 



Length 10 lines. Black with a blue tinge : head subquadrate, 

 eyes small ; mandibles large, strongly dentate ; thorax globose 

 in front, compressed laterally in the middle ; the node of the 

 abdomen thick, compressed at the sides, rounded in front, and 

 truncate posteriorly ; the legs elongate, the anterior tarsi with 

 rufescent pile beneath. 



Ponera grandis, Guer. Voy. Cog. ZooL ii. 206 $ . 

 Hab. Brazil. 



42. PONERA FCETIDA. 



Formica foetida, Oliv. Encycl. Meth. vi. 502. 

 Latr. Hist. Nat. Fourm. 206. 

 De Geer, Hist, des Ins. iii. 602. pi. 31. f. 6 ? . 



Hab. South America. 



43. PONERA FLAVICORNIS. 



Formica flavicornis, Fabr. Ent. Syst. Supp. 280. 38 ; Syst. Piez. 

 408. 52. 



Latr. Hist. Nat. Fourm. 202. pi. vn. f. 43 $ , f. 42. B ? ? 

 St. Faro. Hym. i. 190. 2. 



Hab. Cayenne. 



44. PONERA PILOSULA. 



Worker. Length 2% lines. Obscure dark-red-brown, with 

 the antenna?, mandibles, legs, margins of the segments of the 

 abdomen and its apex, more or less ferruginous; the insect 

 entirely covered with a line silky pile, or bloom ; the head, tho- 

 rax, node and basal segment of the abdomen with scattered 

 punctures ; the thorax and node at their apex concavely truncate, 

 the truncation smooth, the node oblong, rounded anteriorly. 

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



A variety of this species is found, entirely pale ferruginous. 



45. PONERA PILOSA. B.M. 

 Male. Length 7 lines. Black : covered with a fine, thin, 



changeable, silky pile ; anterior margin of the clypeus rounded ; 

 the palpi pale testaceous ; antennae three-fourths of the length 

 of the body. Thorax : the disk slightly pubescent ; the meta- 

 thorax shining ; wings fusco-hyaline ; the tarsi rufo-testaceous. 

 Abdomen elongate and cylindrical ; the apical margin of the first 

 segment constricted ; the node incrassate, subquadrate, rounded 

 above. 

 Hab. Brazil (Villa Nova). 



