1865.] 477 



strongly sericeous; the segments much contracted at base, the first, 

 deeply impressed on the basal middle, with a transverse whitish spot 

 on each side at tip, and a very indistinct whitish line on each side of 

 the second segment; beneath piceous, the apical margins of the seg- 

 ments paler. Length 2 lines; expanse of wings 3} lines. 

 One specimen. 



Genus CRABRO, Fabr. 



1. Crabro ater, n. sp. 



Entirely deep black, shining; clypeus silvery: wings smoky; abdomen 

 clavate. 



Female, — Deep black, shining, with a slight cinereous pile ; ocelli in 

 an equilateral triangle, the anterior ocellus in a large, deep depression ; 

 clypeus silvery; enclosed space of metathorax smooth and shining, 

 with a well denned carina down the middle ; tegulre piceous. Wings 

 pale fuliginous, subviolaceous, subhyaline at base ; nervures blackish. 

 Legs black; tarsi simple, piceous. Abdomen polished, immaculate, 

 subpetiolate, clavate Length 3£ lines; expanse of wings 1\ lines. 



Two specimens. 



2. Crabro latipes, Smith. 



Crabro latipes, Smith, Brit. Mus. Cat. Hym. iv, p. 396, ^ . 

 Nine % specimens. 



3. Crabro Packardii, n. sp. 



Black; mandibles, scape of antennse, line on prothorax, two spots beneath 

 the wings, postscutellura, most of legs, transverse spot on each side of two basal 

 segments of abdomen, and entire bands on the remainder, yellow ; wings 

 smoky. 



Female. — Black, slightly pubescent, and indistinctly punctured, 

 opaque; face with golden, clypeus with silvery pubescence; mandibles, 

 except tips, and scape of antennas, yellow. Thorax : posterior margin 

 of the prothorax transversely grooved and with a transverse yellowish- 

 white line, slightly interrupted in the middle; mesothorax immaculate; 

 tubercles and a spot just behind, beneath the anterior wing, yellow ; 

 scutellum with a yellowish dot on each basal corner, and the postscu- 

 tellum with a yellow transverse line ; metathorax immaculate, the base 

 above obliquely and rather indistinctly striated and with a central, lon- 

 gitudinal, well-impressed line ; tegulaa testaceous, with a yellow spot in 

 front. Wings uniformly tinged with pale fuliginous, somewhat tinged 

 with yellowish, especially so at base; nervures fuscous. Legs yellow, 

 simple ; coxae, trochanters, and base of femora more or less, black ; 

 tips of tarsi dusky. Abdomen subsessile, ovate ; first and second seg- 

 ments with an irregular, transverse yellow spot on each lateral middle, 

 the inner edges more or less emarginated; the third, fourth and fifth 



