408 Mr. W. F. Kirby on the 
Larride. 
24. Tachytes pompiliformis (?). 
Larra pompiliformis, Panz, Faun. Germ. Heft 89, pl. xiii. (1805). 
St. Vincent, Cape Verdes, July 1873. 
25. Sphex maura. 
Sphex maura, Smith, Cat. Hym. Ins. B, M. iv. p. 255 (1856). 
Zamboanga, Philippines, Feb. 1875. 
Originally described from Celebes. 
26. Sphew sericea. 
Pepsis sericea, Faby. Syst. Piez. p. 211 (1804). 
Amboina, Oct. 1874. 
27. Pelopeus chalybeus. 
Pelopeus chalybeus, Smith, Cat. Hym. Ins. B. M. iv. p. 229 (1856). 
Cape of Good Hope, Nov. 1873. 
Pompilide. 
28. Priocnemis atlanticus. 
Long. corp. 6 lin. 
Male.—Black, orbits (exceptonthe vertex) and mouth-parts 
red; antenne straw-coloured, scape of a redder shade; lateral 
angles of the prothorax prominent, and, as well asthe tegule, 
red, shining ; abdomen with a coppery-green lustre ; legs (espe- 
cially the front ones) more or less shading into ferruginous ; 
wings with a strong greenish-purple iridescence. 
The female differs from the male in having the greater part 
of the head red; the green lustre of the abdomen is much less 
distinct, and the wings are of a violet-purple rather than 
of a greenish lustre. 
St. Vincent, Cape Verdes, 1875. 
Allied to P. exasperatus, Smith, from Natal, but differs 
in the colour of the head. 
29. Pepsis collaris. 
Female.—Long. corp. 11 lin. Black, with dull bluish-green 
tints. Face greenish ; antenne: scape black ; 2nd, 3rd, and 
apical joints black above and grey below, the intermediate 
joints yellow. Prothorax black, the sides varied with green 
and bordered behind with grey pubescence, indistinct above, 
