HYMENOPTERA. 197 
subpetiolate, its pubescence black; the fourth segment beneath 
having a floceus of long thin curled black hair. 
Hab. Demerara. 
31. PEPSIS LIMBATA. 
Pepsis limbata, Guér. Voy. Coy. Zool. ii. pt. 2. p. 225; Atlas, 
Dict. Hist. Nat. t. 471. f. 2. 
Spin. Gay’s Chili, vi. 373. 1. 
Hab. Chili and Peru. 
32. Prepsis Perirti. 
Pepsis Petitii, Guér. Voy. Coq. Zool. ii. pt. 2. 255.9. t. 115. f. 1. 
Hab. Peru. 
33. PEPSIS SUMPTUOSA. 
Female. Length 15 lines.—Black: the face as high as the 
anterior stemma densely covered with golden pile ; the antennz 
orange-yellow, the first, second, and basal half of the third joint, 
black ; the pubescence on the thorax black ; an oblong shape on 
the disk, the sides of the scutellum, the post-scutellum, meta- 
thorax, sides of the thorax, and the cox more or less, adorned 
with rich golden pile; wings dark fusco-ferrugmous, the second 
discoidal cell having a small hyaline spot at the base. Abdo- 
men having a changeable violet iridescent pile, the pubescence 
at the apex black. 
Hab. Columbia. (Coll. W. W. Saunders, Esq.) 
34. PEPSIS VITRIPENNIS. 
Female. Length 1 inch 5-7 lmes.—Black, adorned with a 
changeable blue pilosity ; the antennze beneath obscurely yellow 
towards their apex ; the thorax black above, with faint reflections 
of blue in certain lights; the metathorax transversely strigose, 
its posterior margin raised, and the lateral angles subacute and 
produced ; wings splendidly iridescent, partaking of brilliant 
tints of violet, blue and green effulgence ; the legs partake of 
the same colouring, but less vivid im certai lights. Abdomen 
adorned with a changeable blue iridescence. 
Hab. Columbia. (Coll. W. W. Saunders, Esq.) 
35, PEPSIS GRACILIS. B.M. 
Pepsis gracilis, St. Farg. Hym. ui. 474. 8. 
Hab. Cayenne. 
