1865.] 125 



at base, obscure bluish, and the apical segment above with a large 

 whitish spot. Length 3 — 3V lines; expanse of wings 6 — 62 lines. 



Collection. — Ent. Soc. Philad. Two 9 , three % specimens. 



Prof. Poey informs me that this species makes its nest of earth, of a 

 subtrefoil shape, under stones, and fills them flies. Belongs to the sub- 

 genus Agenia Schiodte. 



** Body fusco-ferruginous. 

 Porapilus uniformis. n. sp. 



Fusco-ferruginous, antennae darker at tips ; metatkorax abrupt and depressed 

 behind; wings subhyaline; legs spinose. 



Female. — Uniform pale fusco-ferruginous, covered with a very fine 

 short, hoary-sericeous pile ; face long and rather narrow ; clypeus rather 

 large, with its anterior margin obtusely emarginate in the middle; la- 

 brum large and distinct ; mandibles large, acutely bifid and blackish at 

 tips; antennas long, subporrect, dull ferruginous, blackish towards the 

 tips. Thorax : prothorax with a small excavation on each posterior 

 corner, and the posterior lateral margins strongly sinuate ; incisures of 

 the pleura and metathorax black ; scutellum prominent on the middle, 

 depressed on each side ; metathorax abrupt and depressed or somewhat 

 excavated behind, with a slight central groove on the disk above, the 

 basal incisure black; tegulae ferruginous. Wings subhyaline, with a 

 slight metallic gloss, the extreme tips dusky ; nervures fuscous. Legs 

 long, dull ferruginous; the tarsi spinose, the anterior pair ciliated be- 

 neath with a few long spines; the intermediate and posterior tibiae 

 with a few short, scattered spines. Abdomen subsessile, convex, shin- 

 ing, the extreme base black, some of the remaining segments with an 

 indistinct dark stain; apex slightly pubescent. Length 7 lines; ex- 

 panse of wings 13 lines. 



Male. — Rather paler in color than the female, with the antennas 

 shorter and thicker. Length 4g — 6 lines; expanse of wings 8J — 10 

 lines. 



Collection. — Ent. Soc. Philad. One $ , three % specimens. 



Easily recognized by the uniform dull ferruginous color and the 

 subhyaline wings. 



*** Body ferruginous and black. 

 Pompilus macer, n. sp. 



Black; basal half of abdomen ferruginous; wings subhyaline; legs without 

 spines or teeth. 



Male. — Slender, black, opaque, slightly pruinose; antennae fuscous; 

 thorax very minutely and closely punctured; metathorax gradually 

 rounded behind, clothed with a fine hoary pile; tegulae dull testaceous. 



