hymenoptera. 7 



9. Labidus pilosus. B.M. 



Length 9i lines. — Rufo-testaceous : the head blackish, ex- 

 cepting the anterior margin of the face, the mandibles, and an- 

 tennas, which are of the same colour as the body. The thorax 

 of a darker colour above than the abdomen, ]nmctured and 

 shining ; the sides, the metathorax, and the legs with long 

 pale ])ubescence ; the wings hyaline, the nervures ferruginous ; 

 the mesothorax not gibbous in front. Abdomen covered with 

 dense shining silky pile ; the peduncle transverse, subtriangular, 

 with the sides slightly rounded. 



Hab. Brazil (St. Paul's). (Coll. H. W. Bates.) 



10. Labidus Mexicanus. 



Length 6 lines. — Pale rufo-testaceous, covered with pale 

 shining pubescence : eyes large, black, and prominent ; the 

 ocelli glassy bright ; on each side of the anterior one an elevated 

 carina, which passes between the antennai to the anterior margin 

 of the face, forming a deep smooth channel ; the antenna; shorter 

 than the thorax, stout, and tapering to a point at their apex. 

 Thorax very gibbous in front and at the scutellimi ; the wings 

 wanting. Abdomen : the margins of the segments slightly con- 

 stricted ; the peduncle transverse, the lateral margins not ele- 

 vated, slightly convex in the middle. 



Hab. Mexico (Orizaba). 



Sect. 2. — Peduncle of the abdomen more or less convex, 

 transverse-quadrate. 



11. Labidus Illigeri. 



Labidus Illigeri, Shuck. Ann. S)- Mag. Nat. Hist. 1st ser. v. 397. 

 Append. (1840). 

 Westw. Arc. Ent. i. 76. 8. 



Hab. Brazil. 



12. Labidus Hartigii. 



Labidus Hartigii, Westw. Arc. Ent. i. 75. 6. pi. 20. f. 3. 

 Hab. Brazil (Rio Janeiro and Sape). 



13. Labidus Esenbeckii. - 



Labidus Esenbeckii, IVestw.Arc. Ent. i. 75. 7. pi. 20. f. 4. 

 Hab. Brazil (Rio Vendinha). 



