CRABRO VAGUS. 155 



Div. 5. Abdomen sub sessile ; ocelli in a curve. 



* Antenna; of the males with two or more joints emarginate 

 beneath ; their tarsi simple. 



31. Crabro vagus. 



C. niger, flavo-maculatus ; stemmatibusin lineam curvam positis; 

 metathorace punctate. 



Sphex vaga, Linn. Faun. Suec. 414. no. 1664; Syst. Nat. i. 946. 36. 



Vill. Ent. iii. 238. 14. 



Schceff. Icon. Ins. Ratisb. t. 94. f, 4, 5, & t. 127. f. 6. 

 Crabro vagus, Fabr. Syst. Ent. 375. 8; Ent. Syst. ii. 298. 17; Syst. 

 Piez. 313.22. 



Panz. Faun. Germ. 46. 10. 



Rossi, Faun. Etrus. ii. 91. 881. 



Oliv. Encycl. Meth. vi. 515. 18. 



Schrank, Faun. Boic. ii. 338. 2188. 



Latr. Hist. Nat. xiii. 324. 4. 



Van d. Lind. Obs. ii. 57. 16. 



Shuck. Foss. Hym. 145. 11. 



Zett. Ins. Lapp. 442. 2. 



Dahlb. Hym. Europ. i. 392. 268. 



Wesm. Hym. Foss. Belg. 147. 28. 



Solenius vagus, St. Farg. Ann. Soc. Ent. Fr. iii. 722. 9 ; Hym. 

 iii. 147. 28. 



Female. Length 5-5J lines. Black ; head and thorax very 

 closely punctured and slightly pubescent ; the face deeply cana- 

 liculated; the clypeus carinated in the centre, and densely 

 covered with silvery pubescence ; the inner margin of the man- 

 dibles and the scape yellow, the latter with a black stripe at 

 their base within. Thorax : an interrupted line on the collar 

 and a transverse stripe on the post-scutellum yellow, one or 

 both of these sometimes obsolete ; the metathorax longitudi- 

 nally striated at the base and transversely so beyond; wings 

 fusco-hyaline, with their apex darkest, the nervures and tegulae 

 rufo-piceous ; the anterior tibiae yellow above and ferruginous 

 in front, the intermediate pair yellow in front and above, and 

 the posterior pair entirely yellow ; the extreme apex of all the 

 tibiae ferruginous ; the tarsi piceous, the anterior pair slightly 

 ciliated, the basal joint of the posterior pair frequently yellow. 

 Abdomen : a yellow fascia at the base of the second, fourth and 

 fifth segments, sometimes all entire, but the first and second 

 frequently interrupted, the third rarely so ; a transverse yellow 

 spot on each side of the third segment, and rarely an oblique 

 spot on each side of the basal one. 



