190 CERCERIS ARENARIA. 



1. Cerceris arenaria. 



C. nigra ; capite thoraceque flavo variis ; abdomine fasciis qua- 

 tuor ( $ quinque) flavis, primo segmento punctis duobus flavis ; 

 tibiis tarsisque flavo-ferrugineis. 



Sphex arenaria, Linn. Faun. Suec. 413. 1660 ; Syst. Nat. i. 946. 31. 



Fillers, Ent. iii. 235. 38. 



Ratz. Forst. Ins. Bd. iii. 35. 5. 



Vespa exultans et petulans, Harris, Expos, t. 37. f. 1 , f. 2 $ . 

 Crabro 5-cinctus, Fabr. Mant. i. 295. 11 <?. 



Oliv. Encycl. Meth. vi. 514. 13. 



Schrank, Faun. Boic. ii, 335. 2182. 

 Crabro arenarius, Fabr. Mant. i. 297. 20. 

 Philanthus arenarius, Fabr. Ent. Syst. ii. 290. 5 : Syst. Piez. 



303. 9. 

 Philanthus laetus, Fabr. Ent. Syst. ii. 291. 10 ; Syst. Piez. 305. 18. 



Panz. Faun. Germ. 63. 11 $ . 

 Philanthus auritus, Fabr. Ent. Syst. Supp. 268. 1. 

 Cerceris auritus, Latr. Hist. Nat. Ins. xiii. 315. 1. 



Spin. Ins. Ligur. 96. 1. 



Cerceris Iseta, Curtis, Brit. Ent. vi. fol. 269. t. 269 ? . 

 Cerceris arenaria, Fan d. Lind. Obs. ii. 109. 3. 



ShucJc. Foss. Hym. 233. 1. 



Dahlb. Hym. Europ. 205. 122. 



St. Fary. Hym. iii. 16. 11. 



Wesm. Hym. Foss. Belg. 100. 1. 



Female. Length 6-7i lines. Black; covered with confluent 

 punctures, the head and thorax coarsely so ; the second, third, 

 fourth and fifth joints beneath ferruginous, sometimes the 

 sixth also ; the third joint, and sometimes the second also, 

 entirely ferruginous; a semicircular spot on the clypeus, a 

 large patch on each side extending upwards above the insertion 

 of the antennae, and an ovate spot behind the eyes towards 

 their summit, yellow. Thorax : an interrupted line on the 

 collar, a spot on the tegulse in front, the post-seutellum, and a 

 large oblong-ovate spot on each side of the metathorax, yellow ; 

 the legs reddish yellow ; the coxes, the anterior and inter- 

 mediate femora at their base, and the posterior pair at their 

 apex and above, black ; wings subhyaline, the nervures testa- 

 ceous, the tegula3 piceous behind, the apical margins of the 

 wings with a fuscous border. Abdomen : a spot on each side 

 of the basal segment, and a fascia on the four following seg- 

 ments, yellow; a broad band on the second segment deeply 

 emarginate anteriorly ; the two following narrower and more 

 slightly and widely emarginate ; that on the fifth segment is 

 broad and slightly emarginate, or sometimes waved anteriorly ; 



