442 Dr. A. S. Packard, Jr's Revision of the 



Stizus speciosus, St. Fargeau and Serv. 



Sphex speciosus, Drury, Exot. Ins. ii. 71. t. 38. f. 1. 9 • (1773). 



Vespa tricincta, Fabr., Ent. Syst. ii. 254, 5. (1793). 

 Syst. Piez. 254, 5. (1804). 

 Mas. Dom. Banks. Coll. Linn. Soc. 



Stizus speciosus, St. Farg. and Serv., Encyl. Meth. x. 496, 1. t. 382. f. 6. 



Sphecius speciosus, Dahlb., Hym. Eur. i. 154. (1845). 



Hogardia speciosa, St. Farg., Hym. iii. 290, 2. (1845). 



Stizus speciosus, Smith, Cat. Hym. Br. Mus. ix. p. 336. (1856). 



9 . Head and thorax covered with a remarkably fine, dense russet 

 brown hirsuties ; front with a dark ferruginous line in the middle en- 

 closing the anterior ocellus ; orbits more yellowish in front of the an- 

 tennas ; supra-clypeal piece yellow ; clypeus yellow on the sides, in the 

 middle and towards the frontal ridge ferruginous, labrum broad, sub- 

 lunate, yellowish ferruginous; mandibles trigonate at base; very un- 

 equally bidentate ; 6 setae on the mesial third beneath ; tip black. An- 

 tennae with the scape and basal third of the flagellum ferruginous ; 

 remainder black-brown ; basal joints tipped slightly with paler. Pro- 

 podeum russet brown like the rest of the thorax, enclosure large, equi- 

 laterally triangular. Legs uniformly ferruginous, femora uniformly 

 tipped with yellowish. Tegulaa aud nervures ferruginous; wings yel- 

 lowish testaceous towards the base ; slightly dusky on the outer edge. 

 Abdomen black, with a ferruginous, oblong, broad band on the un- 

 der side of the basal ring, three pairs of short yellow bands, divided 

 partially by a deep, irregular, rounded sinus on the front edge, basal 

 band shortest and broadest; a similar band, but much narrower, on the 

 under side of the end of 2d ring ; tip deep black, with a broad, spatu- 

 late, distinct, supraiinal area. Length, 1.10 — 1.50. inch. 



Poughkeepsie, N. Y., (Prof. S. Tenney). Southern States, (Norton). 

 Harrisburg, Va., (Shurtleff). Delaware; Kansas, (Coll. Ent. Soc. Phil.) 



Prof. S. Tenney informs me that he has seen this species carrying off 

 Cicada canicularis. 



Stizus grandis. Say. 



S. grandis, Say, West. Quart. Eep. ii. p. 77. (1823). 



9 . Body less thickly and coarsely punctured and less hirsute than 

 in the preceding species ; front more yellowish ; head more ferrugi- 

 nous, paler behind; flagellum a little paler; abdomen entirely red, 

 much more sparsely punctured throughout and thus more polished 

 than $. speciosus. Abdomen with the same yellow fasciae above and 

 beneath, of the same size as in the other species, tip with much less 

 prominent lateral ridges. Length, 1.50 inch. 



Texas, (Coll. Ent. Soc. Phil.) 



