134 WILLIAM J. FOX. 



CRABRO Fabr. (s. 1.) 



Vespa (in pt.) Linne, Syst. Nat. Ed. 10, 1758. 



f^phex (in pt.) Liune, Faun. Suec, 17(51. 



Sphex (in pt.) J. C. Schaifer, Icon. Ins. i, 1766. 



Crabro (in pt.) Fabricius, Syst. Ent., 1775. 



Pemphredon (in pt.) Fabricius, Syst. Piez., 1804. 



Crabro Lutreille, Hist. Nat. Ins. xiii, 1805 ; Gen. Crust, et Ins. ii, 1809. 



Rhopulnm Kirby, Stephen's Syst. Cat. Br. Ins., 1829. 



Crafiro St. Fargeau et Brulle, Ann. Soc. Ent. Fr. iii, 1834. 



Solenius St. Fargeau et Brulle, ibid. 



Blepharipus St. Fargeau et Brulle, ibid. 



Ceratocolus St. Fargeau et Brulle, ibid. 



Thyreopan St. Fargeau et Brulle, ibid. 



Thyreim St. Fargeau et Brulle, ibid. 



Crossocerus St. Fargeau et Brulle, ibid. 



Lindenma St. Fargeau et Brulle. ibid. 



Dasi/prodns St. Fargeau et Brulle, ibid. 



Corynopus St. Fargeau et Brulle, ibid. 



Phy.wscelns St. Fargeau et Brulle, ibid. 



Ectemiiins Dahlbohm, Hym. Eur i, 1845. 



Brachymerii^ Dahlbohra, ibid. 



Megapodiinn Dablbohm, ibid. 



Anothyreiis Dablbohm, ibid. 



Podagritas Spinola, Gay's Hist. Chili, vi. Atlas (zool.), PI. II, fig. 6, 1854. 



Tracheloshnus 'Morawitz (Group), Bull. Acad. Imp. Sciences, St. Petersburg, ix, 1866. 



Tracheliodes Morawitz (Group), ibid. 



Cuphopteras Morawitz (Group), ibid. 



Clytochryms Morawitz (Group), ibid. 



Ccelocmbro Thomson, Hym. Skand. iii, 1874. 



Hoplocrabro Thomson, ibid. 



Microcmbro Saussure. Graudidiers Hist. Madagascar xx, 1890. 



Mesocmbro Verhoeft", Entom. Nachrichten, xviii, 1892. 



Head large, generally quadrate or siibquadrate, sometimes more 

 transvei'se, its posterior margin always more or less margined, some- 

 times, however, indistinctly (group pedicellatus) ; eyes naked; ocelli 

 distinct, forming a triangle or a curved line ; face depressed ; man- 

 dibles dentate, or unarmed internally, externally entire, at apex 

 either bidentate in both sexes, tridentate in some males, or simple 

 (group phupm) ; antennie 12-jointed in female, and in the male of 

 many species, although the normal number in this latter sex is 13 ; 

 flagellum subject to many moditications in the male, being entire, 

 emarginate or dentate beneath, or greatly dilated and fringed (group 

 largior) ; pronotum transverse, short, rounded or dentate laterally, 

 notched medially ; dorsulum convex, the parapsidal grooves usually 

 distinct, or represented by ridges ; episternum mesopleuralis with a 

 very strong ridge anteriorly, sometimes extending on and liounding 



