HYMENOPTERA. 407 



labrum and mandibles nifo-testaceous ; the flagellum ferruginous 

 beneath ; the face is smooth and shining, and has a tuft of sooty- 

 black pubescence above the insertion of the antennae. Thorax 

 nearly naked on the disk, smooth and shining, having anteriorly 

 at the sides and along the margin of the scutellum a dense fringe 

 of black pubescence ; the pubescence on the legs black, except 

 that on the tarsi beneath, which is fulvous ; the posterior tarsi 

 beneath, the apical joint of all the tarsi, and the apex of the 

 posterior tibiae within, ferruginous ; the wings bright yellow, 

 palest towards their apical margins, the nervures and tegulae 

 rufo-testaceous. Abdomen smooth and shining, the apical mar- 

 gins of the segments having a thick fringe of sooty-black pu- 

 bescence. 



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



Genus 64. TRIGONA. 



Apis, pt.. Fair. Ent. Syst. ii. 314 (1793). 

 Trigona, pt., Jurine, Hym. (1807). 

 Mehpona, Illig. Mag. v. (1805). 



1. Trigona amalthea. B.M. 



Apis amalthea, Fabr. Syst. Piez. p. 371. 8. 



Oliv. Ency. Melh. iv. 68. 



Latr. Ann. Mus. Hist. Nat. v. 175. 10. t, 13. f. 13 {typesp, in 

 Coll. Westw.). 

 Trigona araalthera. Gen. Crust, et Ins. iv. 183. 



Jurine, Hym. p. 246. 

 Melipona amalthea, St. Farg. Hym. i, 425. 16. 



Hab. Brazil. 



2. Trigona pallida. B.M. 



Apis pallida, Latr. Ann. Mus. Hist. Nat. v. 177- t. 13. f. 14. 

 Trigona palhda, Latr. Ann. Mus. Hist. Nat. 1 77. 12. 1. 13. f. 14 ; 



Gen. Crust, etins. iv. 183; Voy. Humb. ^ Bonp. i. 294. 2. t. 20. 



f . 6 i {type sp. in Coll. Westw.). 

 Melipona pallida, St. Farg. Hym. i. 432. 30. 

 Schomb. Faun. Flo. Brit. Guiana, iii. 592. 



Hab. Cayenne; Brazil. 



3. Trigona compressa. 



Trigona compressa, Latr. Voy. Humb. 4* Bonp. i. 294. 4. t. 20. 



f. 7i. 

 Hab. Brazil. 



