HYMENOPTERA. 381 



4. EUGLOSSA PILIVENTRIS. B.M. 



Euglossa piliventris, Guer. Icon. Reg. Anim. p. 458. 4 t? & <J . 

 Hub. Para. 



5. Euglossa Romandii. B.M. 

 Euglossa Romanclii, Guer. Icon. Reg. Anim. p. 458. 5. 



Hab. Brazil. 



(j. Euglossa fallax. B.M. 



Female. Length 9 lines. — Black, the head and thorax clothed 

 with short black pubescence ; the cl3rpeus has a central raised 

 sharp carina, which passes also down the middle of the labrum ; 

 the latter has another carina on each side ; the posterior tibiae 

 compressed and broadly dilated. Abdomen densely clothed with 

 short fulvo-ochraceous pubescence, palest towards the apex. 



Male. Length 9 lines. — Black, the head and thorax having a 

 vivid golden-green effulgence ; the clypeus has a central raised 

 carina ; the thorax has a short black pubescence ; the wings sub- 

 hyaline, smoky towards their base ; the legs have more or less 

 of a blue or coppery effulgence ; the posterior tibiae broadly 

 dilated, convex exteriorly, flat within. 



Hab. Brazil (Para). 



7. Euglossa pulchra. B.M. 



Female. Length 8 lines. — Head of a brilhant golden-green, 

 the margins of the clypeus shghtly raised at the sides anteriorly, 

 and having a smooth impunctate hue down the centre ; the an- 

 tennae black ; the thorax and two basal segments of the abdomen 

 of a beautiful purple, smooth and shining ; the thorax anteriorly 

 clothed with short black pubescence ; the legs black, the posterior 

 tibiae broadly dilated and concave exteriorly, the basal joint of the 

 tarsi also dilated ; the wings fuscous. Abdomen, the four apical 

 segments green, and having a short changeable golden pile. 

 Hab. Brazil (Tapajos). 



8. Euglossa violacea. B.M. 



Euglossa violacea, Blanch. Hist. nat. Ins. iii. 405 $ . 

 Euglossa cacrulescens, St. Farg. Hym. ii. 11. 3 c? . 



The female of this species is entirely purple, the pubescence 

 on the thorax being black. 



Hab. Brazil. 



