HYMENOPTERA. 151 
the third submarginal cells ; the thorax covered with a fine silvery 
pile, the posterior margin of the prothorax white. The abdomen 
petiolate, compressed, much narrower than the thorax, the second 
segment white at its base above, having a narrow white stripe 
on each side beneath, the basal margins of both segments are 
broadly white ; a white spot at the apex of the abdomen, which 
is acute. 
Hab. Brazil (Santarem). (Coll. H. W. Bates.) 
This species has very much the appearance of an Ichneuwmon. 
155. PompiILUS ICHNEUMONEUS. 
Pompilus ichneumoneus, Guér. Voy. Cog. Zool. pt. 2. p. 258 ; 
Atlas, Ins. no. 8. f. 13. 
Hab. Brazil. 
156. PoMpILUS LUTEICORNIS. B.M. 
Calicurgus luteicornis, St. Farg. Hym. ni. 404. 
Hab. Brazil. 
157. PoMPILUS MICANS. B.M. 
Pompilus micans, Fabr. Syst. Piez. p. 192. 23. 
Agenia micans, Dahlb. Hym. Europ. i. 455. 2, § type sp. Mus. 
Kiel. 
Hab. South America; Brazil (Santarem and Para). 
158. PoMPILUS PECTORALIS. B.M. 
Female. Length 9 lines.—Head and thorax black, densely 
clothed with a changeable velvety pubescence, partaking of shades 
of purple, violet and blue ; anterior margin of the clypeus widely 
emarginate ; wings dark fuscous, with a brilliant violet in- 
descence; the metathorax rounded, not channeled down the 
middle; the pectus broad, transverse posteriorly, the lateral 
angles acute ; tibize slightly spinose. Abdomen subpetiolate, iri- 
descent blue, black at the base. 
Hab. Brazil (Para). (Coll. H. W. Bates.) 
159. PoMPILUS PHALERATUS. 
Pompilus phaleratus, Perty, Del. An. Art. p. 143. t. 27. f. 20. 
Hab. Brazil (Rio. Amazons). 
